English dropdown-ico

Manual Epson S1F70000

243 pages 1.87 mb
Download

Go to site of 243

Summary
  • Epson S1F70000 - page 1

    MF302 - 13 T echnical Manual S1F70000 Series T echnical Manual IEEE1394 Controller S1R77801F00A T echnical Manual S1F70000 Series EPSON Electronic Devices Website ELECTRONIC DEVICES MARKETING DIVISION First issue November,1990 U Revised July,2001 in Japan H B 4.5mm T echnical Manual POWER SUPPLY IC S1F70000 Series http://www.epson.co.jp/device/ Thi ...

  • Epson S1F70000 - page 2

    NO TICE No part of this material may be reproduced or duplicated in any from or by any means without the written permission of Seiko Epson. Seiko Epson reserves the right to make changes to this material without notics. Seiko Epson does not assume any liability of any kind arising out of any inaccuracies contained in this material or due to its app ...

  • Epson S1F70000 - page 3

    The information of the pr oduct number c hang e Starting April 1, 2001 the product number has been changed as listed belo w . T o order , please use the ne w pr oduct number . F or further information, please contact Epson sales r e presenta tiv e . Configuration of product n umber ● DEVICES (Example : S1F70000D00B100) S1 F 70000 D 00B1 00 P ac k ...

  • Epson S1F70000 - page 4

    S1F70000 Series T ec hnical Manual ...

  • Epson S1F70000 - page 5

    Contents S1F70000 Series EPSON i Technical Manual Introduction .......................................................................................................................................................................... 1 Selection Guide .................................................................................................. ...

  • Epson S1F70000 - page 6

    Contents ii EPSON S1F70000 Series Technical Manual S1F76540 Series DESCRIPTION ........................................................................................................................................................ 2–15 FEATURES ...................................................................................................... ...

  • Epson S1F70000 - page 7

    Contents S1F70000 Series EPSON iii Technical Manual CHARACTERISTICS GRAPH ................................................................................................................................ 3–15 S1F79100Y Series DESCRIPTION ............................................................................................................... ...

  • Epson S1F70000 - page 8

    Contents iv EPSON S1F70000 Series Technical Manual PACKAGE MARKINGS ................................................................................................................................. 4–26 FUNCTIONAL DESCRIPTIONS .................................................................................................................... 4– ...

  • Epson S1F70000 - page 9

    Contents S1F70000 Series EPSON v Technical Manual 5 . Voltage Detector S1F77200Y Series DESCRIPTIO N ................................................................................................................... . ..................................... . 5 –1 FEATURE S .......................................................................... ...

  • Epson S1F70000 - page 10

    Contents vi EPSON S1F70000 Series Technical Manual EMBOSS CARRIER TAPING STANDARD (SOP2-24pin) TAPING INFORMATIO N ............................................................................................................ . ........................... . 6 –14 REEL SPECIFICATION S ................................................................. ...

  • Epson S1F70000 - page 11

    Introduction S1F70000 Series EPSON 1 Technical Manual This book describes SEIKO EPSON's full lineup of power supply ICs and includes a complete set of product specifications. Also included are sections on quality assurance and packaging. We suggest that you use the selector guide beginning on the following page to choose the IC or IC series th ...

  • Epson S1F70000 - page 12

    Selection Guide 2 EPSON S1F70000 Series Technical Manual Product Features Package • 6.00V positive output voltage regulator. S1F78100Y2A0 • Low operating current (Typ. 3.0 µ A). SOT89-3pin • Input voltage stability (Typ. 0.1%/V). • 5.00V positive output voltage regulator. S1F78100Y2B0 • Low operating current (Typ. 3.0 µ A). SOT89-3pin ? ...

  • Epson S1F70000 - page 13

    Selection Guide S1F70000 Series EPSON 3 Technical Manual Product Features Package • 3.00V positive output voltage regulator. S1F78100Y2D0 • Low operating current (Typ. 3.0 µ A). SOT89-3pin • Input voltage stability (Typ. 0.1%/V). • 2.80V positive output voltage regulator. S1F78100Y2R0 • Low operating current (Typ. 3.0 µ A). SOT89-3pin ? ...

  • Epson S1F70000 - page 14

    Selection Guide 4 EPSON S1F70000 Series Technical Manual Product Features Package • Voltage detection (Typ. 5.00V). S1F77210Y1L0 • Output format: COMS. SOP89-3pin • Low operating power (Typ. 2.0 µ A, V DD = 6.0V). • Voltage detection (Typ. 4.80V). S1F77210Y1K0 • Output format: COMS. SOP89-3pin • Low operating power (Typ. 2.0 µ A, V DD ...

  • Epson S1F70000 - page 15

    Selection Guide S1F70000 Series EPSON 5 Technical Manual Product Features Package • Voltage detection (Typ. 4.60V). S1F77210Y120 • Output format: COMS. SOP89-3pin • Low operating power (Typ. 2.0 µ A, V DD = 5.0V). • Voltage detection (Typ. 4.40V). S1F77210Y1J0 • Output format: COMS. SOP89-3pin • Low operating power (Typ. 2.0 µ A, V DD ...

  • Epson S1F70000 - page 16

    Selection Guide 6 EPSON S1F70000 Series Technical Manual Product Features Package • Voltage detection (Typ. 1.15V). S1F77200Y1B0 • Output format: N-ch open drain. SOP89-3pin • Low operating power (Typ. 1.5 µ A, V DD = 1.5V). • Voltage detection (Typ. 1.10V). S1F77200Y1Y0 • Output format: N-ch open drain. SOP89-3pin • Low operating powe ...

  • Epson S1F70000 - page 17

    1. DC/DC Con ver ter ...

  • Epson S1F70000 - page 18

    S1F76600 Series S1F70000 Series EPSON 1–1 Technical Manual S1F76600 Series DESCRIPTION The S1F76600 Series is a highly efficient CMOS DC/ DC converter for doubling an input voltage (from –1.5V to –8V). This power-saving IC allows portable computers and similar hand-held equipment to operate from a single power supply, even when they incorpora ...

  • Epson S1F70000 - page 19

    S1F76600 Series 1–2 EPSON S1F70000 Series Technical Manual Parameter Symbol Rating Unit Input voltage range V I –10.0 to 0.5 V Output voltage range V O Min. –20.0 V Power dissipation P D 300 (DIP) mW 150 (SOP) Operating temperature range T opr –40 to +85 ˚C Storage temperature range T stg –65 to +150 ˚C Soldering temperature(for 10s). S ...

  • Epson S1F70000 - page 20

    S1F76600 Series S1F70000 Series EPSON 1–3 Technical Manual S1F76600 Series V DD = 0V, Ta = –40 to +85˚C unless otherwise noted Parameter Symbol Condition Rating Unit Min. Typ. Max. Input voltage V I –8.0 — –1.5 V Output voltage V O –16.0 — — V Multiplier current I OPR R L = ∞ , R OSC = 1M Ω —2 0 3 0 µ A V I = –5V Quiescent ...

  • Epson S1F70000 - page 21

    S1F76600 Series 1–4 EPSON S1F70000 Series Technical Manual Typical Performance Characteristics 1000 100 10 1 10 100 1000 10000 f OSC [kHz] R OSC [k Ω ] V I = –5V V I = –3V V I = –2V T a = 25 ° C 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 –40 –20 0 20 40 Ta [ ° C] f OSC [kHz] 60 80 100 V I = –5.0V V I = –3.0V V I = ? ...

  • Epson S1F70000 - page 22

    S1F76600 Series S1F70000 Series EPSON 1–5 Technical Manual S1F76600 Series 0 –5 –10 01 0 2 0 3 0 V O [V] I O [mA] T a = 25 ° C V I = –3.0V 0 –1 –2 –3 –4 –5 –6 0 2 3 4 5678 9 1 0 1 V O [V] I O [mA] T a = 25 ° C V I = –2.0V (5) Output voltage vs. Output current (6) Output voltage vs. Output current 300 200 100 0 –7 –6 –5 ...

  • Epson S1F70000 - page 23

    S1F76600 Series 1–6 EPSON S1F70000 Series Technical Manual 100 90 80 70 60 50 40 30 20 10 0 1 10 100 1000 P eff [%] f OSC [kHz] I O = 2mA I O = 5mA I O = 10mA I O = 20mA I O = 30mA V I = –5.0V 100 90 80 70 60 50 40 30 20 10 0 1 10 100 1000 P eff [%] f OSC [kHz] I O = 0.5mA I O = 1.0mA I O = 2.0mA I O = 4.0mA V I = –3.0V (9) Multiplication eff ...

  • Epson S1F70000 - page 24

    S1F76600 Series S1F70000 Series EPSON 1–7 Technical Manual S1F76600 Series FUNCTIONAL DESCRIPTIONS CR Oscillator S1F76600 has a built-in CR oscillator as the internal os- cillator, and an external oscillation resistor R OSC is con- nected between the pins OSC1 and OSC2 before opera- tion. OSC1 OSC2 R OSC (Note 1) Note 1 Since the oscillation freq ...

  • Epson S1F70000 - page 25

    S1F76600 Series 1–8 EPSON S1F70000 Series Technical Manual TYPICAL APPLICATIONS Parallel Connection Connecting two or more chips in parallel reduces the output impedance by 1/ n , where n is the number of de- vices used. 5 V C1 10 µ F C2 10 µ F V DD = 0 V V I = –5 V V O = –10 V 1M Ω + + 8 7 6 5 1 2 3 4 C1 10 µ F 1M Ω + 8 7 6 5 1 2 3 4 ...

  • Epson S1F70000 - page 26

    S1F76600 Series S1F70000 Series EPSON 1–9 Technical Manual S1F76600 Series Positive Voltage Conversion Diodes can be added to a circuit connected in parallel to make a negative voltage positive. 5 V C2 10 µ F V DD = 0 V V O ' = 3.8 V V I = –5 V 1M Ω + C1 10 µ F + 8 7 6 5 1 2 3 4 Simultaneous Voltage Conversion Combining a multiplier ci ...

  • Epson S1F70000 - page 27

    S1F76620 Series 1–10 EPSON S1F70000 Series Technical Manual DESCRIPTION S1F76620 is a high efficiency and low power consump- tion CMOS DC/DC converter. It enables to obtain 2 times step-up output (3.0 to 16V) from input voltage (1.5 to 8V). Also, S1F76620 enable to drive ICs (liquid crystal driver, analog IC, etc.), which require another power su ...

  • Epson S1F70000 - page 28

    S1F76620 Series S1F70000 Series EPSON 1–11 Technical Manual S1F76620 Series PIN DESCRIPTIONS Pin Assignments P OFF GND OSC1 OSC2 1 2 3 4 8 7 6 5 V O CAP1+ CAP1– V DD Pin Assignments of SOP4-8pin Pin descriptions Description Input pin for power off control. Power pin. (Minus side, System GND) Oscillation resistor connection pin. Works as the clo ...

  • Epson S1F70000 - page 29

    S1F76620 Series 1–12 EPSON S1F70000 Series Technical Manual Pad Center Coordinates (S1F76620D0A0) Chip External Shape Y X + (0,0) 2.60mm 2.30mm Pad Assignment Pad aperture : 100 µ m × 100 µ m Chip thickness : 400 µ m Note Do not bond the NC pad. Pad No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Pad name (NC) (NC) P OFF (NC) (NC) (NC) GND (V S ...

  • Epson S1F70000 - page 30

    S1F76620 Series S1F70000 Series EPSON 1–13 Technical Manual S1F76620 Series FUNCTIONAL DESCRIPTIONS CR Oscillator S1F76620 has a built-in CR oscillator as the internal os- cillator, and an external oscillation resistor R OSC is con- nected between the pins OSC1 and OSC2 before opera- tion. OSC1 OSC2 R OSC (Note 1) Note 1 Since the oscillation fre ...

  • Epson S1F70000 - page 31

    S1F76620 Series 1–14 EPSON S1F70000 Series Technical Manual ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings (Ta = –40 to +85 ° C) Note 1 Under the conditions exceeding the above absolute maximum ratings, the IC may result in a permanent destruction. An operation for a long period under the conditions of the above absolute maximum ratings m ...

  • Epson S1F70000 - page 32

    S1F76620 Series S1F70000 Series EPSON 1–15 Technical Manual S1F76620 Series Recommended Operating Conditions (Ta = –40 to +85 ° C) Note 1 All voltages are based on the GND being 0V. Note 2 The figure below shows the recommended circuit for operation with low voltages (V DD = 1.5 to 2.2V): P OFF R L C L * D 1 C 1 + – + – C 2 GND OSC1 OSC2 * ...

  • Epson S1F70000 - page 33

    S1F76620 Series 1–16 EPSON S1F70000 Series Technical Manual Electrical Characteristics (V DD = 5V, Ta = –40 to +85 ° C) Parameter Input supply voltage Output voltage Step-up circuit current consumption Static current Oscillation frequency Output impedance Step-up power conver- sion efficiency Input leak current Symbol V DD V O I OPR I Q f OSC ...

  • Epson S1F70000 - page 34

    S1F76620 Series S1F70000 Series EPSON 1–17 Technical Manual S1F76620 Series Characteristics Graph (1) Oscillation frequency vs. External resistance for oscillation (2) Oscillation frequency vs. Temperature (3) Step-up circuit current consumption vs. Input current (4) Output voltage (V O ) vs. Output current 1 –40 –20 0 20 40 60 80 100 30 28 2 ...

  • Epson S1F70000 - page 35

    S1F76620 Series 1–18 EPSON S1F70000 Series Technical Manual (5) Output voltage (V O ) vs. Output current 2 (6) Output voltage (V O ) vs. Output current 3 (7) Output impedance vs. Input current 1 (8) Output impedance vs. Input voltage 2 4 3 2 1 0 6 5 4 3 2 1 0 0123456789 1 0 0 5 10 15 20 V O [V] I O [mA] I O [mA] V O [V] T a=25 ° C V DD =3V C 1 = ...

  • Epson S1F70000 - page 36

    S1F76620 Series S1F70000 Series EPSON 1–19 Technical Manual S1F76620 Series (9) Step-up power conversion efficiency vs. Output current 1 Input current vs. Output current 1 (11) Step-up power conversion efficiency vs. Output current 3 Input current vs. Output current 3 . (12) Step-up power conversion efficiency vs. Oscillation frequency 1 100 90 8 ...

  • Epson S1F70000 - page 37

    S1F76620 Series 1–20 EPSON S1F70000 Series Technical Manual (13) Step-up power conversion efficiency vs. Oscillation frequency 2 (14) Step-up power conversion efficiency vs. Oscillation frequency 3 (15) Step-up start voltage (1) vs. Load resistance 100 90 80 70 60 50 1 10 100 1000 I O =0.5mA I O =1mA I O =5mA I O =2mA f ocs[kHz] P eff[%] T a=25 ? ...

  • Epson S1F70000 - page 38

    S1F76620 Series S1F70000 Series EPSON 1–21 Technical Manual S1F76620 Series EXAMPLE OF REFERENCE EXTERNAL CONNECTION 2 Times Step-up 2 times step-up output of V O (2 × V DD ) is obtained from the circuit shown in Figure 1. P OFF 2 V I V I + – + – GND OSC1 OSC2 V O CAP1+ CAP1– V DD 1 2 3 4 8 7 6 5 • Figure 1 2 Time Step-up Operation Paral ...

  • Epson S1F70000 - page 39

    S1F76620 Series 1–22 EPSON S1F70000 Series Technical Manual Series Connection When S1F76620 is connected in series (V DD and V O in the previous stage are connected to GND and V DD in the next stage respectively), the output voltage can be increased more. But the series connection makes the output impedance high. Figure 3 shows an example of the ...

  • Epson S1F70000 - page 40

    S1F76620 Series S1F70000 Series EPSON 1–23 Technical Manual S1F76620 Series Negative Voltage Conversion S1F76620 can boost input voltage to twice on the positive potential side by using the circuit shown in Figure 6. But the output voltage drops by the forward voltage V F of the diode. When GND is 0V, V DD is 5V and V F is 0.6V as shown in Figure ...

  • Epson S1F70000 - page 41

    S1F76620 Series 1–24 EPSON S1F70000 Series Technical Manual MEASUREMENT CIRCUIT P OFF V I + – + – GND OSC1 C 2 V O I O R L C 1 R OSC I OPR OSC2 V O CAP1+ CAP1– V DD 1 2 3 A A 4 8 7 6 5 V V ...

  • Epson S1F70000 - page 42

    S1F76620 Series S1F70000 Series EPSON 1–25 Technical Manual S1F76620 Series MECHANICAL DATA S1F76620M0A0 SOP4-8pin 85 14 INDEX D E HE θ e b A 1 A 2 A θ 3 θ 2 L C R R 1 L 1 L 2 * for reference Symbol E D 1 A A 1 A 2 e b C θ L L 1 L 2 H E D θ 2 θ 3 R R 1 Dimension in Milimeters Min. 4.8 — 0.25 0.05 6.4 4.8 Nom. 5 — 1.75 0.15 1.6 1.27 0.35 ...

  • Epson S1F70000 - page 43

    2. DC/DC Con ver ter & V oltage Regulator ...

  • Epson S1F70000 - page 44

    S1F76610 Series S1F70000 Series EPSON 2–1 Technical Manual S1F76610 Series DESCRIPTION The S1F76610 Series is a highly effecient CMOS DC/ DC converter for doubling or tripling an input voltage. It incorporates an on-chip voltage regulator to ensure stable output at the specified voltage. The S1F76610 Series offers a choice of three, optional temp ...

  • Epson S1F70000 - page 45

    S1F76610 Series 2–2 EPSON S1F70000 Series Technical Manual PIN ASSIGNMENTS PIN DESCRIPTIONS S1F76610C0B0/M0B0 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 CAP+ CAP– CAP2+ CAP2– TC1 TC2 V I 14 13 12 11 10 9 8 V DD OSC1 OSC2 P OFF RV V REG V O CAP+ CAP– NC CAP2+ CAP2– TC1 TC2 V I V DD OSC1 NC OSC2 P OFF RV V REG V O 16 15 14 13 12 11 10 9 S1F76610M2B0 S1F ...

  • Epson S1F70000 - page 46

    S1F76610 Series S1F70000 Series EPSON 2–3 Technical Manual S1F76610 Series SPECIFICATIONS Absolute Maximum Ratings Notes 1. Using the IC under conditions exceeding the aforementioned absolute maximum ratings may lead to permanent destruction of the IC. Also, if an IC is operated at the absolute maximum ratings for a longer period of time, its fun ...

  • Epson S1F70000 - page 47

    S1F76610 Series 2–4 EPSON S1F70000 Series Technical Manual 3. R Lmin is a function of V 1 Electrical Characteristics V DD = 0V, V 1 = –5V, Ta = –40 to +85 ° C unless otherwise noted C1 10 µ F C2 10 µ F 1 2 3 4 5 6 7 14 13 12 11 10 9 8 R OSC C L R L 1M Ω C3 22 µ F D1 + + + 5 4 3 2 1 0 1 Input voltage (V) Minimum load resistance (k Ω ) ...

  • Epson S1F70000 - page 48

    S1F76610 Series S1F70000 Series EPSON 2–5 Technical Manual S1F76610 Series Uni t Ω % %/V Ω Ω V %/˚C µ A Parameter Output impedance Multiplication efficiency Stabilization output voltage differential Stabilization output load differential Stabilization output saturation resistance Reference voltage Temperature gradient P OFF , TC1, TC2, OS ...

  • Epson S1F70000 - page 49

    S1F76610 Series 2–6 EPSON S1F70000 Series Technical Manual Typical Performance Characteristics 1000 100 10 1 10 100 1000 10000 R OSC [k Ω ] f OSC [kHz] V I = –5V V I = –3V V I = –2V T a = 25 ° C 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 –40 –20 0 20 40 60 80 100 Ta [ ° C] f OSC [kHz] V I = –5.0V V I = –3.0V V I = ? ...

  • Epson S1F70000 - page 50

    S1F76610 Series S1F70000 Series EPSON 2–7 Technical Manual S1F76610 Series 0 –5 –10 –15 0 1 02 03 0 I O [mA] V o [V] × 2 multiplier × 3 multiplier T a = 25 ° C V I = –3.0V I O [mA] V O [V] 0 01 23456789 1 0 –1 –2 –3 –4 –5 –6 T a = 25 ° C V I = –2.0V × 2 multiplier × 3 multiplier (5) Output voltage vs. Output current (6 ...

  • Epson S1F70000 - page 51

    S1F76610 Series 2–8 EPSON S1F70000 Series Technical Manual 0 12 3456789 1 0 I O [mA] I I [mA] 100 90 80 70 60 50 40 30 20 10 0 40 36 32 28 24 20 16 12 8 4 0 P eff [%] T a = 25 ° C V I = –2.0V × 2 multiplier P eff × 3 multiplier P eff × 3 multiplier I I × 2 multiplier I I 500 400 300 200 100 0 –7 –6 –5 –4 –3 –2 –1 0 V I [V] R ...

  • Epson S1F70000 - page 52

    S1F76610 Series S1F70000 Series EPSON 2–9 Technical Manual S1F76610 Series 1 10 100 1000 f OSC [kHz] 100 90 80 70 60 50 P eff [%] I O = 0.5mA I O = 1.0mA I O = 2.0mA I O = 4.0mA T a = 25 ° C V I = – 3.0V V O = –15V –7.850 –7.900 –7.950 –8.000 0.0001 0.0010 0.0100 0.1000 T a = 25 ° C V REG [V] I O [V] (13) Multiplication efficiency v ...

  • Epson S1F70000 - page 53

    S1F76610 Series 2–10 EPSON S1F70000 Series Technical Manual 0 5 10 15 20 0.30 0.25 0.20 0.15 0.10 0.05 0.00 T a = 25 ° C V O = –5V V O = –10V V O = –15V I O [mA] |V REG -V O | [V] 50 0 –50 –40 –20 0 20 40 60 80 100 CT0 Ta [ ° C] 100 × |V REG ( ° C)|-|V REG (25 ° C)|/|V REG (25 ° C)| [%] CT1 CT2 (17) Regulator voltage vs. Output ...

  • Epson S1F70000 - page 54

    S1F76610 Series S1F70000 Series EPSON 2–11 Technical Manual S1F76610 Series FUNCTIONAL DESCRIPTIONS CR Oscillator The on-chip CR oscillator network frequency is deter- mined by the external resistor, R OSC , connected be- tween OSC1 and OSC2. This oscillator can be disabled in favor of an external clock by leaving OSC2 open and applying an extern ...

  • Epson S1F70000 - page 55

    S1F76610 Series 2–12 EPSON S1F70000 Series Technical Manual TYPICAL APPLICATIONS Voltage Tripler with Regulator The following figure shows the circuit required to triple the input voltage, regulate the result and add a tempera- ture gradient of –0.4%/ ° C. Note that the high input im- pedance of RV requires appropriate noise countermea- sures. ...

  • Epson S1F70000 - page 56

    S1F76610 Series S1F70000 Series EPSON 2–13 Technical Manual S1F76610 Series Serial Connection Connecting two or more chips in series obtains a higher output voltage than can be obtained using a parallel <Precautions when connecting loads> In case of series connections, when connecting loads between the first stage V DD (or other potential o ...

  • Epson S1F70000 - page 57

    S1F76610 Series 2–14 EPSON S1F70000 Series Technical Manual Simultaneous Voltage Conversion Combining a standard voltage tripler circuit with one for positive voltage conversion generates both –15 and 8.2V outputs from a single input, however, it also raises the output impedance. A voltage doubler generates –10 and 3.8V outputs. Potential lev ...

  • Epson S1F70000 - page 58

    S1F76540 Series S1F70000 Series EPSON 2–15 Technical Manual S1F76540 Series DESCRIPTION The S1F76540C0A0/M0A0 is a CMOS process, charge-pumping DC/DC converter and voltage regula- tor featuring the very high efficiency but low power consumption. An addition of four, three, or two exter- nal capacitors can generate four-, three- or two-time output ...

  • Epson S1F70000 - page 59

    S1F76540 Series 2–16 EPSON S1F70000 Series Technical Manual BLOCK DIAGRAM PIN DESCRIPTIONS V DD Power-off control circuit Voltage converter circuit Clock generator circuit Booster control circuit Voltage regulation circuit Reference voltage circuit C1P C2N C2P C3N C1N FC V I P OFF1 P OFF2 TC1 TC2 V O V RI RV V REG 1 2 3 4 5 6 7 8 V O V RI V REG R ...

  • Epson S1F70000 - page 60

    S1F76540 Series S1F70000 Series EPSON 2–17 Technical Manual S1F76540 Series Table 2.1 Pin descriptions Pin name Pin No. Pad No. Description V O 1 18 Four-time booster output V RI 2 19 Regulator input V REG 3 20 Regulator output R V 4 21 Regulator output voltage adjustment input V DD 5 22, 23 Power pin (positive) FC 6 24 Internal clock frequency i ...

  • Epson S1F70000 - page 61

    S1F76540 Series 2–18 EPSON S1F70000 Series Technical Manual Table 2.2 Absolute maximum ratings V DD reference Parameter Symbol Rating Unit Remarks Min. Max. Input power voltage V I –26.0/N V DD + 0.3 V N = Boost time V I pin Input pin voltage V 1 V I – 0.3 V DD + 0.3 V P OFF1 , P OFF2 , TC1, TC2 and FC pins Output pin voltage 1 V OC1 V I – ...

  • Epson S1F70000 - page 62

    S1F76540 Series S1F70000 Series EPSON 2–19 Technical Manual S1F76540 Series ELECTRICAL CHARACTERISTICS Table 2.3 DC characteristics (1) Parameter Symbol Characteristics Min. Typ. Max. Unit N = Boost time if CT0 is selected –22/N –2.4 V Input power voltage V I N = Boost time if CT1 is selected –22/N –2.4 V N = Boost time if CT2 is selected ...

  • Epson S1F70000 - page 63

    S1F76540 Series 2–20 EPSON S1F70000 Series Technical Manual Parameter Symbol Characteristics Min. Typ. Max. Unit I O = 10 mA, V I = –5.0 V during 4-time boosting 200 300 Ω Boost output impedance R O C1, C2, C3, C O = 10 µ F (tantalum) I O = 10 mA, V I = –3.0 V, Ta = 25 ° C during 4-time boosting 250 300 Ω C1, C2, C3, C O = 10 µ F (tant ...

  • Epson S1F70000 - page 64

    S1F76540 Series S1F70000 Series EPSON 2–21 Technical Manual S1F76540 Series Parameter Symbol Characteristics Min. Typ. Max. Unit Regulated output load V RI = –20 V, V REG = –15 V, variation ∆ V O ( * 3) Ta = 25 ° C setup 30 50 mV 0 < I REG < 20 mA V REF0 TC1 = V DD , TC2 = V DD –1.55 –1.50 –1.45 V Reference voltage V REF1 TC1 = ...

  • Epson S1F70000 - page 65

    S1F76540 Series 2–22 EPSON S1F70000 Series Technical Manual Table 2.4 AC characteristics V DD = 0 V and V I = –5.0 V unless otherwise noted Parameter Symbol Conditions Min. Typ. Max. Unit FC = V DD , Ta = 25 ° C 3.0 4.0 6.0 kHz Internal clock frequency 1 f CL1 P OFF1 = V I P OFF2 = V DD Ta = –30 ° C 2.0 4.0 7.0 kHz Pin used: C1P to +85 ° C ...

  • Epson S1F70000 - page 66

    S1F76540 Series S1F70000 Series EPSON 2–23 Technical Manual S1F76540 Series Figure A1 Characteristic chart: Capacitance vs. output impedance when 4X pressure is applied NOTE: This characteristic chart simply indicates an approximate trend in the characteristics, which may vary depending on evaluation environment, parts used, and other factors. 55 ...

  • Epson S1F70000 - page 67

    S1F76540 Series 2–24 EPSON S1F70000 Series Technical Manual Voltage Converter The voltage converter, consisting of a boost control cir- cuit and a voltage converter circuit, receives clocks from the clock generator circuit and boosts the input power voltage (V I ) four, three or two times. During four-time boosting, however, the three-time and tw ...

  • Epson S1F70000 - page 68

    S1F76540 Series S1F70000 Series EPSON 2–25 Technical Manual S1F76540 Series Reference Voltage Circuit The S1F76540 has a built-in reference voltage circuit for voltage regulation. The regulated voltage (ex- plained in the next “voltage regulator circuit” section) is set depending on the division ratio between this refer- ence voltage and the ...

  • Epson S1F70000 - page 69

    S1F76540 Series 2–26 EPSON S1F70000 Series Technical Manual Setup: • Relationship between V REG and reference voltage V REG = R1 + R2 × (Reference voltage) • • • • Equation (1) R1 • Current consumption of division resistors I REG = | V REG | • • • • Equation (2) R1 + R2 Setup example: • To output V REG = –18 V by four-tim ...

  • Epson S1F70000 - page 70

    S1F76540 Series S1F70000 Series EPSON 2–27 Technical Manual S1F76540 Series Changing the temperature coefficient: • The temperature coefficient of the regulated voltage depends on the temperature coefficient of the reference voltage (if the division ratio of setup resistors does not depend on the temperature). It is necessary to change the temp ...

  • Epson S1F70000 - page 71

    S1F76540 Series 2–28 EPSON S1F70000 Series Technical Manual P OFF1 P OFF2 Functions (High = V DD ) (High = V DD ) Oscillator Booster Regulator Applications Mode (Low = V I ) (Low = V I ) circuit circuit PS1 High Low ON ON ON All circuits are turned on. PS2 Low Low OFF OFF ( * 1) OFF ( * 2) All circuits are turned off. PS3 High High OFF ON ON Slav ...

  • Epson S1F70000 - page 72

    S1F76540 Series S1F70000 Series EPSON 2–29 Technical Manual S1F76540 Series CHARACTERISTICS GRAPH 200 180 160 140 120 100 80 60 40 Booster current consumption [ µ A] Booster output impedance [ Ω ] 0 300 280 260 240 220 200 180 160 140 120 100 1 23 4567 5 47 3 Input voltage [V] Input voltage (V I ) vs. Booster circuit current consumption (I OPR ...

  • Epson S1F70000 - page 73

    S1F76540 Series 2–30 EPSON S1F70000 Series Technical Manual APPLICATION CIRCUIT EXAMPLES Four-time Booster and Regulator Figure 2.8 gives a wiring example of four-time booster and regulator that is the typical S1F76540 application. This example boosts the input voltage (V I ) four times in negative direction, and outputs the regulated voltage at ...

  • Epson S1F70000 - page 74

    S1F76540 Series S1F70000 Series EPSON 2–31 Technical Manual S1F76540 Series ◊ Setup conditions of Figure 2.9 • Internal clock : ON (Low Output mode) • Booster circuit : ON • Regulator : OFF ◊ Power-off procedure • Set the P OFF2 pin to low (V I ) to turn off all circuits. ◊ Ripple voltage • As the output at V O pin is unstable, it ...

  • Epson S1F70000 - page 75

    S1F76540 Series 2–32 EPSON S1F70000 Series Technical Manual Parallel Connection (for Increased Boosting) The parallel connection is useful for reduction of booster output impedance or reduction of ripple volt- age. In the parallel connection of “n” lines, the booster output impedance can be reduced to approximately “1/ n". Only the smo ...

  • Epson S1F70000 - page 76

    S1F76540 Series S1F70000 Series EPSON 2–33 Technical Manual S1F76540 Series ◊ Setup conditions of Figure 2.11 First stage Second stage • Internal clock : ON (Low Output mode) • Internal clock : OFF • Booster circuit : ON • Booster circuit : ON • Regulator : OFF • Regulator : ON (if C T = –0.04%/ ° C) ◊ Power-off procedure • I ...

  • Epson S1F70000 - page 77

    S1F76540 Series 2–34 EPSON S1F70000 Series Technical Manual ◊ Setup conditions of Figure 2.12 • Internal clock : ON (Low Output mode) • Booster circuit : ON • Regulator : ON (if C T = –0.04%/ ° C) ◊ Power-off procedure • Set the P OFF1 pin to low (V I ) to turn off all circuits. ◊ Output voltages • When diodes are used for volt ...

  • Epson S1F70000 - page 78

    S1F76540 Series S1F70000 Series EPSON 2–35 Technical Manual S1F76540 Series Positive Voltage Conversion The S1F76540 can also boost up a voltage to the posi- tive potential using external diodes. In such case, how- ever, the regulator function is unavailable. Figure 2.14 gives a wiring example for three-time positive boosting, and Figure 2.15 pro ...

  • Epson S1F70000 - page 79

    S1F76540 Series 2–36 EPSON S1F70000 Series Technical Manual ◊ Output voltages • When diodes are used for voltage boosting, the characteristics of diodes directly affect on the voltage boosting characteristics. The forward voltage drop (V F ) of diodes can reduce the booster output voltage. As the example of Figure 2.14 uses three diodes, the ...

  • Epson S1F70000 - page 80

    S1F76540 Series S1F70000 Series EPSON 2–37 Technical Manual S1F76540 Series ◊ Setup conditions of Figure 2.16 • Internal clock : ON (Low Output mode) • Booster circuit : ON • Regulator : ON • Thermistor resistor : RT ◊ Power-off procedure • Set the P OFF1 pin to low (V I ) to turn off all circuits. ◊ Regulator temperature coeffici ...

  • Epson S1F70000 - page 81

    S1F76640 Series 2–38 EPSON S1F70000 Series Technical Manual DESCRIPTION S1F76640 is a high efficiency and low power con- sumption CMOS DC/DC converter. It is roughly di- vided into two portions, step-up circuit and stabilization circuit. The step-up circuit can provide 2 times step-up outputs (3.6 to 11V), 3 times step-up outputs (5.4 to 16.5V) o ...

  • Epson S1F70000 - page 82

    S1F76640 Series S1F70000 Series EPSON 2–39 Technical Manual S1F76640 Series BLOCK DIAGRAM Figure 3-1 Block Diagram CAP3+ V O VRI V REG RV P OFF TC1 TC2 CAP2– CAP2+ CAP1– CAP1+ V DD OSC2 GND OSC1 V oltage conversion circuit CR oscillator Ref erence voltage gener ator V oltage stabilization circuit T emperature gradient selection circuit Step-u ...

  • Epson S1F70000 - page 83

    S1F76640 Series 2–40 EPSON S1F70000 Series Technical Manual PIN ASSIGNMENTS SSOP2-16pin Figure 4-2 Pin Assignments of SSOP2-16pin RV V REG TC1 TC2 P OFF (GND)V SS OSC1 OSC2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 V RI V O CAP3+ CAP2+ CAP2– CAP1+ CAP1– V DD ...

  • Epson S1F70000 - page 84

    S1F76640 Series S1F70000 Series EPSON 2–41 Technical Manual S1F76640 Series Pin No. Pin name Description 1 RV Stabilization voltage regulation pin. When the intermediate tap of the external volume (3-pin resistor) connected between the V DD pin and the V REG pin is connected to the RV pin, V REG output voltage can be adjusted. 2V REG Stabilized v ...

  • Epson S1F70000 - page 85

    S1F76640 Series 2–42 EPSON S1F70000 Series Technical Manual Chip External Shape Figure 4-4 Pad Assignments (x) (y) (t) Chip size : 2.30mm × 2.60mm × 0.30mm PAD aperture : 1 00 µ m × 100 µ m DIE number : F76640D0A0 Pad Center Coordinates S1F7664D0A0 Pad Pad Center Coordinates No. Name X[ µ m] Y[ µ m] 1 RV –984.0 1096.0 2V REG 788.0 3 (TES ...

  • Epson S1F70000 - page 86

    S1F76640 Series S1F70000 Series EPSON 2–43 Technical Manual S1F76640 Series FUNCTIONAL DESCRIPTIONS CR Oscillator S1F76640 has a built-in CR oscillator as the internal oscillator, and an external oscillation resistor R OSC is connected between the pins OSC1 and OSC2 before operation. (Figure 5.1) Figure 5-1 CR Oscillator Figure 5-2 External Clock ...

  • Epson S1F70000 - page 87

    S1F76640 Series 2–44 EPSON S1F70000 Series Technical Manual Note 1 : At the 3 times step-up time, 2 times step-up output (–10V) cannot be taken out from the CAP2– pin. Note 2 : At the 4 times step-up time, 2 times step-up output (–10V) cannot be taken out from the CAP2– pin. Note 3 : At the 4 times step-up time, 3 times step-up output (? ...

  • Epson S1F70000 - page 88

    S1F76640 Series S1F70000 Series EPSON 2–45 Technical Manual S1F76640 Series P OFF TC2 TC1 Temperature V REG CR Remarks (Note 1) (Note 1) (Note 1) Gradient C T (Note 2) Output Oscillator — 1(V DD ) Low(V SS ) Low(V SS ) –0.40%/ ˚C ON ON — 1(V DD ) Low(V SS ) High(V O ) –0.25%/ ˚C ON ON — 1(V DD ) High(V O ) Low(V SS ) –0.55%/ ˚C ON ...

  • Epson S1F70000 - page 89

    S1F76640 Series 2–46 EPSON S1F70000 Series Technical Manual ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings Parameter Symbol Rating Unit Remarks Min. Max. Input supply voltage V DD GND-0.3 24/N V V DD N = 2 : 2 times step-up N = 3 : 3 times step-up N = 4 : 4 times step-up Input pin voltage V I GND–0.3 V DD -0.3 V OSC1,P OFF GND–0.3 V O -0 ...

  • Epson S1F70000 - page 90

    S1F76640 Series S1F70000 Series EPSON 2–47 Technical Manual S1F76640 Series Recommended Operating Conditions Note 1 : All voltages are based on the GND being 0V. Note 2 : The figure below shows the recommended circuit for operation with low voltages (V DD =1.8 to 2.2V): Figure 6-2-1 Recommended Circuit Diagram for Low Voltage Operation (Example o ...

  • Epson S1F70000 - page 91

    S1F76640 Series 2–48 EPSON S1F70000 Series Technical Manual Electrical Characteristics Unless otherwise specified, Ta=–40˚C to +85˚C GND=0V, V DD =5V Parameter Symbol Specification Value Unit Conditions Measurement Min. Typ. Max. Circuit Input supply voltage V DD 1.8 — 5.5 V — — Output voltage V O — — 22 V — — V REG V RV —2 2 ...

  • Epson S1F70000 - page 92

    S1F76640 Series S1F70000 Series EPSON 2–49 Technical Manual S1F76640 Series Measurement Circuit (Described on S1F76640M0A0) Step-up circuit characteristic measurement circuit Stabilization circuit characteristic measurement circuit Note 1 : All voltage values are based on GND being 0V. Note 2 : The value shown here is the step-up circuit conversi ...

  • Epson S1F70000 - page 93

    S1F76640 Series 2–50 EPSON S1F70000 Series Technical Manual Input leak current measurement circuit 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 A Connection to each measurement pin ...

  • Epson S1F70000 - page 94

    S1F76640 Series S1F70000 Series EPSON 2–51 Technical Manual S1F76640 Series 1000 100 10 1 10 100 1000 10000 30 28 26 24 22 20 18 16 14 12 10 -40 -20 0 20 40 60 80 100 f osc[kHz] T a[˚C] f osc[kH Z ] Rosc[k Ω ] T a=25˚C V DD =5V V DD =3V V DD =2V V DD =2V V DD =3V V DD =5V 200 150 100 50 0 20 18 16 14 12 10 8 6 4 2 0 0 1 2 3 4 5 6 0 10 20 30 I ...

  • Epson S1F70000 - page 95

    S1F76640 Series 2–52 EPSON S1F70000 Series Technical Manual 12 10 8 6 4 2 0 V O [V] 8 7 6 5 4 3 2 1 0 V O [V] I O [mA] 0 5 10 20 15 I O [mA] 012 3 4 5 6 7 8 9 1 0 T a=25˚C V DD =3V C 1 to C 4 =10 µ F T a=25˚C V DD =3V C 1 to C 4 =10 µ F 4 times step-up 3 times step-up 2 times step-up 4 times step-up 3 times step-up 2 times step-up 700 600 500 ...

  • Epson S1F70000 - page 96

    S1F76640 Series S1F70000 Series EPSON 2–53 Technical Manual S1F76640 Series 100 90 80 70 60 50 40 30 20 10 0 P eff[%] 150 120 90 60 30 0 I DD [mA] I DD [mA] 100 90 80 70 60 50 40 30 20 10 0 100 90 80 70 60 50 40 30 20 10 0 P eff[%] I O [mA] 01 0 2 0 3 0 I O [mA] 0 5 10 15 20 T a=25˚C V DD =5V C 1 to C 4 =10 µ F T a=25˚C V DD =3V C 1 to C 4 =10 ...

  • Epson S1F70000 - page 97

    S1F76640 Series 2–54 EPSON S1F70000 Series Technical Manual (13) Step-up power conversion (14) Step-up power conversion efficiency vs. Oscillation frequency 2 efficiency vs. Oscillation frequency 3 (15) Step-up start voltage (1) vs. Load resistance (16) Stabilization output saturation resistance vs. Load current 100 90 80 70 60 50 40 30 20 10 0 P ...

  • Epson S1F70000 - page 98

    S1F76640 Series S1F70000 Series EPSON 2–55 Technical Manual S1F76640 Series (17) Output voltage (V REG ) vs. Output current 1 (18) Output voltage (V REG ) vs. Output current 2 (19) Output voltage (V REG ) vs. Output current 3 (20) Reference voltage vs. Temperature 8.00 7.95 7.90 7.85 V REG [V] I REG [mA] 0.1 1.0 10.0 100.0 6.00 5.95 5.90 5.85 V R ...

  • Epson S1F70000 - page 99

    S1F76640 Series 2–56 EPSON S1F70000 Series Technical Manual MECHANICAL DATA Plastic SSOP2-16pin Unit : mm +0.007 –0.008 (0.002) 0.05 (0.016) 0.4 (0.014 0.36 ± 0.1 +0.004 –0.003 ) (0.059 ± 0.003) 1.5 ± 0.1 (0.066Max.) 1.7Max. (0.173 4.4 ± 0.2 –0.007 +0.008 ) (0.244 ± 0.011) 6.2 ± 0.3 (0.275Max.) 7Max. ) (0.260 6.6 ± 0.2 (0.006 0.15 ± ...

  • Epson S1F70000 - page 100

    S1F76640 Series S1F70000 Series EPSON 2–57 Technical Manual S1F76640 Series APPLICATION EXAMPLE 2 Times Step-up, 3 Times Step-up and 4 Times Step-up Figure 8.1 shows the connection for getting 4 times step-up output of an input voltage by operating the step-up circuit only. In case of 3 times step-up, the capacitor C 3 is removed and CAP3+ (Pin N ...

  • Epson S1F70000 - page 101

    S1F76640 Series 2–58 EPSON S1F70000 Series Technical Manual Parallel Connection It is possible to make the output impedance R O small when several pieces of the circuit shown in Figure 8.1 are connected. Parallel connection of n circuits reduces R O to 1/n approximately. One piece of the smoothing capaci- tor C 4 can be commonly used in the same ...

  • Epson S1F70000 - page 102

    S1F76640 Series S1F70000 Series EPSON 2–59 Technical Manual S1F76640 Series Note 1 : Precautions on Load Connection When a load is connected between GND in the first stage (or potential below GND in the second stage other than that) and V REG in the second stage as shown in Figure 8.4, pay attention to the following. When a normal output is not a ...

  • Epson S1F70000 - page 103

    S1F76640 Series 2–60 EPSON S1F70000 Series Technical Manual Negative Voltage Conversion S1F76640 can boost input voltage to negative power on the negative potential side by using the circuit shown in Figure 8.6. (In case of 3 times step-up, remove the capacitor C 3 and the diode D 4 and short-circuit the both ends of D 4 . In case of 2 times step ...

  • Epson S1F70000 - page 104

    S1F76640 Series S1F70000 Series EPSON 2–61 Technical Manual S1F76640 Series Example of Temperature Gradient Change by External Temperature Sensor (Ther- mistor) S1F76640 has a temperature gradient selection circuit inside the stabilization circuit, and three kinds of tempera- ture gradients, –0.20%/˚C, –0.40%/˚C and –0.60%/˚C, can be sel ...

  • Epson S1F70000 - page 105

    S1F76640 Series 2–62 EPSON S1F70000 Series Technical Manual Configuration Example of Voltage Stabilized Output (V REG ) Electronic Volume Circuit Figure 8.9 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 V RI (74HC4051) 13 14 15 12 1 5 2 4 11 10 9 6 16 78 3 CTRL0 XPOF (V DD /V SS ) CTRL1 V SS or V O V SS or V O Negative v oltage input V oltage stabiliz e ...

  • Epson S1F70000 - page 106

    S1F76640 Series S1F70000 Series EPSON 2–63 Technical Manual S1F76640 Series Configuration Example of High Magnification Step-up Circuit with Diode S1F76640, if an external diode is attached, can realize 5 times or more step-up operation and voltage stabilized output. Since the forward voltage drop V F of the diode makes the output impedance of th ...

  • Epson S1F70000 - page 107

    3. V oltage Regulator ...

  • Epson S1F70000 - page 108

    S1F78100Y Series S1F70000 Series EPSON 3–1 Technical Manual S1F78100Y Series DESCRIPTION SCI78100Y Series is a fixed type positive voltage regu- lator developed by using the CMOS silicon gate process and is composed of a low current consumption refer- ence voltage circuit, a differential amplifier, an output control transistor and a voltage setti ...

  • Epson S1F70000 - page 109

    S1F78100Y Series 3–2 EPSON S1F70000 Series Technical Manual PIN DESCRIPTIONS Pin No. Pin name Description 1V SS Input voltage pin (minus side) 2V DD Input voltage pin (plus side) 3V O Output voltage pin PIN ASSIGNMENTS 12 SO T89-3pin 3 ...

  • Epson S1F70000 - page 110

    S1F78100Y Series S1F70000 Series EPSON 3–3 Technical Manual S1F78100Y Series FUNCTIONAL DESCRIPTIONS S1F78100Y Series is a fixed positive output type volt- age regulator of series regulator system and is fitted with an output control MOS transistor between the in- put and output pins as shown in the figure below. The voltage regulator feeds back ...

  • Epson S1F70000 - page 111

    S1F78100Y Series 3–4 EPSON S1F70000 Series Technical Manual Product Output Voltage Min. Typ. Max. S1F78100Y2A0 5.75 6.00 6.25 S1F78100Y2B0 4.90 5.00 5.10 S1F78100Y2M0 4.40 4.50 4.60 S1F78100Y2P0 3.90 4.00 4.10 S1F78100Y2K0 3.80 3.90 4.00 S1F78100Y2N0 3.43 3.50 3.57 S1F78100Y2T0 3.23 3.30 3.37 S1F78100Y2C0 3.13 3.20 3.27 S1F78100Y2D0 2.93 3.00 3.0 ...

  • Epson S1F70000 - page 112

    S1F78100Y Series S1F70000 Series EPSON 3–5 Technical Manual S1F78100Y Series RECOMMENDED OPERATING CONDITIONS Parameter Symbol Min. Typ. Max. Unit Input voltage V DD –V SS –– 1 5 V Output current I O 0.01 – – mA Parameter Symbol Rating Unit Input voltage V DD –V SS 21 V Output voltage V O V DD +0.3 to V SS -0.3 Output current I O 100 ...

  • Epson S1F70000 - page 113

    S1F78100Y Series 3–6 EPSON S1F70000 Series Technical Manual ELECTRICAL CHARACTERISTICS S1F78100Y2A0 (Unless otherwise specified, Ta ranges from –40˚C to +85˚C.) Parameter Symbol Conditions (V SS =0.0V) Min. Typ. Max. Unit Input voltage V I —— — 1 5 V Output voltage V O V DD =8.0V, I O = –10mA 5.75 6.00 6.25 V Ta=25˚C Current consumpt ...

  • Epson S1F70000 - page 114

    S1F78100Y Series S1F70000 Series EPSON 3–7 Technical Manual S1F78100Y Series S1F78100Y2M0 (Unless otherwise specified, Ta ranges from –40˚C to +85˚C.) Parameter Symbol Conditions (V SS =0.0V) Min. Typ. Max. Unit Input voltage V I — ——1 5 V Output voltage V O V DD =6.0V, I O = –10mA 4.40 4.50 4.60 V Ta=25˚C Current consumption I OPR V ...

  • Epson S1F70000 - page 115

    S1F78100Y Series 3–8 EPSON S1F70000 Series Technical Manual S1F78100Y2K0 (Unless otherwise specified, Ta ranges from –40˚C to +85˚C.) Parameter Symbol Conditions (V SS =0.0V) Min. Typ. Max. Unit Input voltage V I —— — 1 5 V Output voltage V O V DD =6.0V, I O = –10mA 3.80 3.90 4.00 V Ta=25˚C Current consumption I OPR V DD =3.9V to 15. ...

  • Epson S1F70000 - page 116

    S1F78100Y Series S1F70000 Series EPSON 3–9 Technical Manual S1F78100Y Series S1F78100Y2T0 (Unless otherwise specified, Ta ranges from –40˚C to +85˚C.) Parameter Symbol Conditions (V SS =0.0V) Min. Typ. Max. Unit Input voltage V I — ——1 5 V Output voltage V O V DD =5.0V, I O = –10mA 3.23 3.30 3.37 V Ta=25˚C Current consumption I OPR V ...

  • Epson S1F70000 - page 117

    S1F78100Y Series 3–10 EPSON S1F70000 Series Technical Manual S1F78100Y2D0 (Unless otherwise specified, Ta ranges from –40˚C to +85˚C.) Parameter Symbol Conditions (V SS =0.0V) Min. Typ. Max. Unit Input voltage V I —— — 1 5 V Output voltage V O V DD =5.0V, I O = –10mA 2.93 3.00 3.07 V Ta=25˚C Current consumption I OPR V DD =3.0V to 15 ...

  • Epson S1F70000 - page 118

    S1F78100Y Series S1F70000 Series EPSON 3–11 Technical Manual S1F78100Y Series S1F78100Y2L0 (Unless otherwise specified, Ta ranges from –40˚C to +85˚C.) Parameter Symbol Conditions (V SS =0.0V) Min. Typ. Max. Unit Input voltage V I — ——1 5 V Output voltage V O V DD =5.0V, I O = –10mA 2.53 2.60 2.67 V Ta=25˚C Current consumption I OPR ...

  • Epson S1F70000 - page 119

    S1F78100Y Series 3–12 EPSON S1F70000 Series Technical Manual S1F78100Y2G0 (Unless otherwise specified, Ta ranges from –40˚C to +85˚C.) Parameter Symbol Conditions (V SS =0.0V) Min. Typ. Max. Unit Input voltage V I —— — 1 5 V Output voltage V O V DD =3.0V, I O = –1mA 1.75 1.80 1.85 V Ta=25˚C Current consumption I OPR V DD =2.2V to 15. ...

  • Epson S1F70000 - page 120

    S1F78100Y Series S1F70000 Series EPSON 3–13 Technical Manual S1F78100Y Series Note : Circuit Diagram for Measuring Supply Voltage Rejection Ratio Characteristic f in =50kHz V DD V DD V SS V O C L I L C L =10 µ FI L =10mA S1F78100Y Series ...

  • Epson S1F70000 - page 121

    S1F78100Y Series 3–14 EPSON S1F70000 Series Technical Manual EXAMPLE OF REFERENCE EXTERNAL CONNECTION MECHANICAL DATA S1F78100Y SOT89-3pin (2pin) (3pin) S1F78100Y Series V DD V O V SS (1pin) C IN C OUT Input voltage Output voltage 12 1.5 0.48Max. 0.48Max. 0.53Max. 1.5 3 1.8Max. 4.5 ± 0.1 4.25Max. 2.5 ± 0.1 1.5 ± 0.1 0.4 0.8Min. 0.44Max. 0.44Ma ...

  • Epson S1F70000 - page 122

    S1F78100Y Series S1F70000 Series EPSON 3–15 Technical Manual S1F78100Y Series CHARACTERISTICS GRAPH S1F78100Y2B0 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 I OPR –T a I OPR [ µ A] (V O –V I )[A] 6.0 5.0 4.0 3.0 2.0 1.0 0.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 I OPR [ µ A] T a [˚C] V I [V] I OPR –V I V DD =7V –40 0 5 10 15 –20 0 20 40 60 ...

  • Epson S1F70000 - page 123

    S1F78100Y Series 3–16 EPSON S1F70000 Series Technical Manual 5.5 5.0 4.5 V O [V] 6.0 5.0 4.0 3.0 2.0 1.0 0.0 V O [V] V I [V] V O –V I 0 5 10 15 –40 –20 0 20 40 60 80 100 I O =–10mA I O = –50mA T a=25˚C T a [˚C] V DD =7V V O –T a –50 –40 –30 –20 –10 0 5.5 5.3 5.1 4.9 4.7 4.5 V O –I O V O [V] I O [mA] T a=25˚C V DD =7V 40 ...

  • Epson S1F70000 - page 124

    S1F78100Y Series S1F70000 Series EPSON 3–17 Technical Manual S1F78100Y Series S1F78100Y2G0 (V O –V I )[V] I OPR [ µ A] 6.0 5.0 4.0 3.0 2.0 1.0 0.0 I OPR [ µ A] V I [V] I OPR –V I I OPR –T a 0 5 10 15 –40 –20 0 20 40 60 80 100 T a [˚C] V DD =1.75V I O = –5mA I O = –1mA (V I –V O )–T a –10 –8 –6 –4 –2 0 2.0 1.8 1.6 1. ...

  • Epson S1F70000 - page 125

    S1F78100Y Series 3–18 EPSON S1F70000 Series Technical Manual –10 –8 –6 –4 –2 0 2.5 2.0 1.5 V O –I O V O [V] I O [mA] T a=25˚C V DD =3V 5 4 3 2 1 0 ∆ V O [mV] –40 –20 0 20 40 60 80 100 T a [˚C] V DD =3V –10mA ≤ 10 ≤ –1mA ∆ V O –T a –40 –20 0 20 40 60 80 100 2.0 1.5 V O [V] T a [˚C] V O –T a V DD =3V 2.0 1.8 1 ...

  • Epson S1F70000 - page 126

    S1F78100Y Series S1F70000 Series EPSON 3–19 Technical Manual S1F78100Y Series S1F78100Y2H0 I OPR [ µ A] 6.0 5.0 4.0 3.0 2.0 1.0 0.0 I OPR [ µ A] V I [V] I OPR –V I I OPR –T a 0 5 10 15 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 –40 –20 0 20 40 60 80 100 T a [˚C] V DD =3V T a=25˚C I O =0mA (V O –V I )[V] 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 ...

  • Epson S1F70000 - page 127

    S1F78100Y Series 3–20 EPSON S1F70000 Series Technical Manual 2.0 1.5 1.0 V O [V] –40 –20 0 20 40 60 80 100 T a [˚C] V DD =3V V O –T a ∆ V O [mV] –40 –20 0 20 40 60 80 100 T a [˚C] V DD =3V 1mA ≤ I O ≤ 30mA ∆ V O –T a 5 4 3 2 1 0 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 V O [V] V I [V] V O –V I 0 5 10 15 I O = –10mA I ...

  • Epson S1F70000 - page 128

    S1F79100Y Series S1F70000 Series EPSON 3–21 Technical Manual S1F79100Y Series DESCRIPTION S1F79100Y series voltage regulators provide step- down and stabilization for an input voltage to a speci- fied fixed voltage. The four devices in the series incor- porate a precision, power-saving reference voltage gen- erator, a transistorized differential ...

  • Epson S1F70000 - page 129

    S1F79100Y Series 3–22 EPSON S1F70000 Series Technical Manual PIN DESCRIPTIONS SPECIFICATIONS Absolute Maximum Ratings Electrical Characteristics S1F79100Y1H0 Pin No. Pin name Description 1V I Input voltage 2 GND Ground 3V O Output voltage Parameter Symbol Rating Unit Input voltage V I –GND –21 V Output voltage V O GND + 0.3 to V I – 0.3 V O ...

  • Epson S1F70000 - page 130

    S1F79100Y Series S1F70000 Series EPSON 3–23 Technical Manual S1F79100Y Series S1F79100Y1G0 S1F79100Y1D0 (V DD = 0V, Ta = –40 ° C to +85 ° C unless otherwise noted) Parameter Symbol Conditions Rating Unit Min. Typ. Max. Input voltage V I — –15.0 — — V Output voltage V O V I = –5.0V, I O = 10mA –3.07 –3.00 –2.93 V Ta = 25 ° C O ...

  • Epson S1F70000 - page 131

    S1F79100Y Series 3–24 EPSON S1F70000 Series Technical Manual S1F79100Y1P0 (V DD = 0V, Ta = –40 ° C to +85 ° C unless otherwise noted) Parameter Symbol Conditions Rating Unit Min. Typ. Max. Input voltage V I — –15.0 — — V Output voltage V O V I = –6.0V, I O = 10mA –4.10 –4.00 –3.90 V Ta = 25 ° C Operating current I OPR V I = ? ...

  • Epson S1F70000 - page 132

    S1F79100Y Series S1F70000 Series EPSON 3–25 Technical Manual S1F79100Y Series Typical Performance Characteristics S1F79100Y1B0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 –40 –20 0 20 40 60 80 100 T a [˚C] I OPR [ µ A] V I = 7V 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0 –15 –10 –5 V I [V] I OPR [ µ A] T a = 25˚C I O = 0mA I OPR vs. Ta I OPR vs. V I 1.2 1.0 ...

  • Epson S1F70000 - page 133

    S1F79100Y Series 3–26 EPSON S1F70000 Series Technical Manual –5.5 –5.0 –4.5 –40 –20 0 20 40 60 80 100 T a [˚C] V O [V] V I = –7V I O = 10mA –6.0 –5.0 –4.0 –3.0 –2.0 –1.0 0.0 0 –5 –10 –15 V I [V] V O [V] I O = 10mA I O = 50mA T a = 25˚C V O vs. Ta V O vs. V I 40 30 20 10 0 –40 –20 0 20 40 60 80 100 T a [˚C] ∆ ...

  • Epson S1F70000 - page 134

    S1F79100Y Series S1F70000 Series EPSON 3–27 Technical Manual S1F79100Y Series S1F79100Y1P0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 –40 –20 0 20 40 60 80 100 T a [˚C] I OPR [ µ A] V I = –7V 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0 –15 –10 –5 V I [V] I OPR [ µ A] T a = 25˚C I O = 0mA I OPR vs. Ta I OPR vs. V I 1.2 1.0 0.8 0.6 0.4 0.2 0.0 –40 –20 0 ...

  • Epson S1F70000 - page 135

    S1F79100Y Series 3–28 EPSON S1F70000 Series Technical Manual –4.5 –4.0 –3.5 –40 –20 0 20 40 60 80 100 T a [˚C] V O [V] V I = –7V I O = 10mA –6.0 –5.0 –4.0 –3.0 –2.0 –1.0 0.0 0 –5 –10 –15 V I [V] V O [V] I O = 10mA I O = 50mA I O = 30mA T a = 25˚C V O vs. Ta V O vs. V I 40 30 20 10 0 –40 –20 0 20 40 60 80 100 T ...

  • Epson S1F70000 - page 136

    S1F79100Y Series S1F70000 Series EPSON 3–29 Technical Manual S1F79100Y Series S1F79100Y1D0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 –40 –20 0 20 40 60 80 100 T a [˚C] I OPR [ µ A] V I = –5V 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0 –15 –10 –5 V I [V] I OPR [ µ A] T a = 25˚C I O = 0mA I OPR vs. Ta I OPR vs. V I 1.2 1.0 0.8 0.6 0.4 0.2 0.0 –40 –20 0 ...

  • Epson S1F70000 - page 137

    S1F79100Y Series 3–30 EPSON S1F70000 Series Technical Manual –3.5 –3.0 –2.5 –40 –20 0 20 40 60 80 100 T a [˚C] V O [V] V I = –5V I O = 10mA –6.0 –5.0 –4.0 –3.0 –2.0 –1.0 0.0 0 –5 –10 –15 V I [V] V O [V] I O = 10mA I O = 30mA T a = 25˚C V O vs. Ta V O vs. V I 40 30 20 10 0 –40 –20 0 20 40 60 80 100 T a [˚C] ∆ ...

  • Epson S1F70000 - page 138

    S1F79100Y Series S1F70000 Series EPSON 3–31 Technical Manual S1F79100Y Series S1F79100Y1G0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 –40 –20 0 20 40 60 80 100 T a [˚C] I OPR [ µ A] V I = –3V 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0 –15 –10 –5 V I [V] I OPR [ µ A] T a = 25˚C I O = 0mA I OPR vs. Ta I OPR vs. V I 1.2 1.0 0.8 0.6 0.4 0.2 0.0 –40 –20 0 ...

  • Epson S1F70000 - page 139

    S1F79100Y Series 3–32 EPSON S1F70000 Series Technical Manual –2.5 –2.0 –1.5 –40 –20 0 20 40 60 80 100 T a [˚C] V O [V] V I = –3V I O = 1mA –6.0 –5.0 –4.0 –3.0 –2.0 –1.0 0.0 0 –5 –10 –15 V I [V] V O [V] I O = 10mA I O = 50mA I O = 30mA T a = 25˚C V O vs. Ta V O vs. V I 40 30 20 10 0 –40 –20 0 20 40 60 80 100 T a ...

  • Epson S1F70000 - page 140

    S1F79100Y Series S1F70000 Series EPSON 3–33 Technical Manual S1F79100Y Series S1F79100Y1H0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 –40 –20 0 20 40 60 80 100 T a [˚C] I OPR [ µ A] V I = –3V 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0 –15 –10 –5 V I [V] I OPR [ µ A] T a = 25˚C I O = 0mA I OPR vs. Ta I OPR vs. V I 1.2 1.0 0.8 0.6 0.4 0.2 0.0 –40 –20 0 ...

  • Epson S1F70000 - page 141

    S1F79100Y Series 3–34 EPSON S1F70000 Series Technical Manual –2.0 –1.5 –1.0 –40 –20 0 20 40 60 80 100 T a [˚C] V O [V] V I = –3V I O = 1mA –6.0 –5.0 –4.0 –3.0 –2.0 –1.0 0.0 0 –5 –10 –15 V I [V] V O [V] I O = 1mA I O = 30mA I O = 10mA T a = 25˚C V O vs. Ta V O vs. V I 40 30 20 10 0 –40 –20 0 20 40 60 80 100 T a ...

  • Epson S1F70000 - page 142

    S1F79100Y Series S1F70000 Series EPSON 3–35 Technical Manual S1F79100Y Series PACKAGE MARKINGS The markings on S1F79100Y series device packages use the following abbreviations. Marking locations V oltage regulator code Output voltage code FUNCTIONAL DESCRIPTIONS Basic Operation The S1F79100Y series uses a 3-pin series regulator feedback loop. An ...

  • Epson S1F70000 - page 143

    S1F79100Y Series 3–36 EPSON S1F70000 Series Technical Manual Differential amplifier The built-in differential amplifier generates a potential at point X that adjusts the gate bias of the output transis- tor if there is any difference betweeen V REF and V REG . V REG T o output transistor V SS V REF V I N1 N2 P1 P2 X Output transistor The output s ...

  • Epson S1F70000 - page 144

    S1F79100Y Series S1F70000 Series EPSON 3–37 Technical Manual S1F79100Y Series R 1 helps reduce the affect of I SS on V F . It is also re- quired when I SS is lower than the diode bias current. For certain input voltages, a Zener diode with the re- verse polarity can be used. High Input Voltages A preliminary regulator circuit is required to bring ...

  • Epson S1F70000 - page 145

    4. DC/DC Switching Regulator s ...

  • Epson S1F70000 - page 146

    S1F76300 Series S1F70000 Series EPSON 4–1 Technical Manual S1F76300 Series The S1F76300 series of CMOS switching regulators comprises nine series—the S1F76310, S1F76380 series featuring built-in RC oscillators, the S1F76330 series requiring external crystal oscillators. S1F76310, S1F76380 Series Built-in CR Oscillator Type CMOS Switching Regula ...

  • Epson S1F70000 - page 147

    S1F76300 Series 4–2 EPSON S1F70000 Series Technical Manual BLOCK DIAGRAMS S1F76310 Series V I2 V I1 Reference voltage generator CR oscillator PWCR V SW V O GND RST PS Control switch S1F76380 Series RST PWCR V I V SW V O PS V CONT GND Reference voltage generator Control switch CR oscillator + – + – ...

  • Epson S1F70000 - page 148

    S1F76300 Series S1F70000 Series EPSON 4–3 Technical Manual S1F76300 Series PIN ASSIGNMENTS S1F76310 Series S1F76380 Series PIN DESCRIPTIONS S1F76310 Series Pin No. Pin name Description 1 PWCR Power-on clear. See note 1. 2 RST Reset signal output. See note 1. 3 GND Ground 4V SW External inductor drive 5V O Output votlage 6V I2 Backup input voltage ...

  • Epson S1F70000 - page 149

    S1F76300 Series 4–4 EPSON S1F70000 Series Technical Manual SPECIFICATIONS Absolute Maximum Ratings S1F76310 series Parameter Symbol Rating Unit Input voltage V I1 7V Output current I O 100 mA Output voltage V O 7V Power dissipation P D 200 (SOP3) mW 300 (DIP) Operating temperature range Topr –30 to +85 ˚C Storage temperature range Tstg –65 t ...

  • Epson S1F70000 - page 150

    S1F76300 Series S1F70000 Series EPSON 4–5 Technical Manual S1F76300 Series S1F76310M1B0 V SS = 0V, Ta = 25 ˚C unless otherwise noted Parameter Symbol Condition Rating Unit Min. Typ. Max. Input voltage V I1 V O > V I2 0.9 — 2.0 V V I2 0.9 — 2.0 V Output voltage V O V l1 = 1.5V 2.90 3.00 3.10 V Detection voltage V DET 1.00 1.05 1.10 V Detec ...

  • Epson S1F70000 - page 151

    S1F76300 Series 4–6 EPSON S1F70000 Series Technical Manual S1F76310M1K0 V SS = 0V, Ta = 25 ˚C unless otherwise noted Parameter Symbol Condition Rating Unit Min. Typ. Max. Input voltage V I1 V O > V I2 0.9 — 2.0 V V I2 0.9 — 2.0 V Output voltage V O V l1 = 1.5V 3.40 3.50 3.60 V Detection voltage V DET 1.00 1.05 1.10 V Detection voltage hys ...

  • Epson S1F70000 - page 152

    S1F76300 Series S1F70000 Series EPSON 4–7 Technical Manual S1F76300 Series S1F76380M1H0 V SS = 0V, Ta = 25 ˚C unless otherwise noted Parameter Symbol Condition Rating Unit Min. Typ. Max. Input voltage V I1 0.9 — 2.0 V Output voltage V O V l1 = 1.5V 2.10 2.20 2.30 V Output voltage temperature gradient Kt –5.5 –4.5 –3.5 mV/˚C Detection vo ...

  • Epson S1F70000 - page 153

    S1F76300 Series 4–8 EPSON S1F70000 Series Technical Manual Typical Performance Characteristics Detection voltage vs. ambient temperature Clock frequency vs. Input voltage Clock frequency vs. ambient temperature 2.0 1.5 1.0 0.5 0.0 0123456 Ta = 25 ˚C Fixed output voltage (V) Fixed output voltage temperature characteristic (mV/ ˚C ) Fixed-output ...

  • Epson S1F70000 - page 154

    S1F76300 Series S1F70000 Series EPSON 4–9 Technical Manual S1F76300 Series Output voltage vs. ambient temperature (S1F76380M1H0) Output voltage vs. ambient temperature (S1F76380M1L0) S1F76310M1B0, S1F76310M1K0 Clock frequency vs. input voltage –30 2.5 2.0 1.5 02 5 Ambient temperature (˚C) Output Voltage (V) 50 85 75 0.5 60 50 40 30 20 10 1.0 1 ...

  • Epson S1F70000 - page 155

    S1F76300 Series 4–10 EPSON S1F70000 Series Technical Manual Load Characteristics S1F76310M1A0 Notes Inductor: TDK NLF453232-221k (220 µ H) Diode: Shindengen DINS4 Schottky barrier diode Capacitor: NEC MSUB20J106M (10 µ F) Notes 1. V I1 = 1.5V 2. Inductor: TDK NLF453232 series Diode: Shindengen DINS4 Schottky barrier diode Capacitor: NEC MSUB20J ...

  • Epson S1F70000 - page 156

    S1F76300 Series S1F70000 Series EPSON 4–11 Technical Manual S1F76300 Series S1F76380M1L0 Notes 1. V I1 = 1.5V 2. Inductor: TDK NLF453232 series Diode: Shindengen DINS4 Schottky barrier diode Capacitor: NEC MSUB20J106M (10 µ F) S1F76380M1H0 Notes Inductor: TDK NLF453232-221k (220 µ H) Diode: Shindengen DINS4 Schottky barrier diode Capacitor: NEC ...

  • Epson S1F70000 - page 157

    S1F76300 Series 4–12 EPSON S1F70000 Series Technical Manual Reset delays S1F76310M1A0 S1F76310M1K0 200 150 100 50 0 0.1 0.5 1.0 0.6 0.8 0.2 0.3 C ( µ F) t pd (msec) 0.7 0.4 R = 200 k Ω R = 100 k Ω 200 150 100 50 0 0.1 0.5 1.0 0.6 0.8 0.2 0.3 C ( µ F) t pd (msec) 0.7 0.4 R = 200 k Ω R = 100 k Ω S1F76310M1B0 S1F76310M1L0 and S1F76380M1 L0 ...

  • Epson S1F70000 - page 158

    S1F76300 Series S1F70000 Series EPSON 4–13 Technical Manual S1F76300 Series Timing diagram Measurement circuit PACKAGE MARKINGS S1F76310, S1F76380 series device packages use the following markings. FUNCTIONAL DESCRIPTIONS Basic Voltage Booster Operation Tr1 switches ON and OFF at half the frequency of the clock pulses from the built-in RC oscilla ...

  • Epson S1F70000 - page 159

    S1F76300 Series 4–14 EPSON S1F70000 Series Technical Manual Reference voltage generator and output voltage regulator The reference voltage generator regulates V I1 to gener- ate a votlage for the voltage regulator and voltage detec- tion circuits. The voltage regulator regulates the boosted output votlage. This is determined by the level at point ...

  • Epson S1F70000 - page 160

    S1F76300 Series S1F70000 Series EPSON 4–15 Technical Manual S1F76300 Series Output voltage response compensation The S1F76380 series are provided with a response com- pensation input. A response compensation capacitor is connected between V CONT and V O , allowing the ripple voltage generated by the boosted output voltage to be suppressed to a mi ...

  • Epson S1F70000 - page 161

    S1F76300 Series 4–16 EPSON S1F70000 Series Technical Manual Inductor Use an inductor with low direct-current resistance and low losses. Leadless Pre-wound, leadless inductors using surface-mount technology are the most suitable for portable equipment and other space-critical applications. Drum coil Avoid using drum coils because their magnetic fi ...

  • Epson S1F70000 - page 162

    S1F76300 Series S1F70000 Series EPSON 4–17 Technical Manual S1F76300 Series Sample External Components Leadless Inductors TDK NKF453232 series magnetically shielded leadless inductors Inductance LQ frequency Device DC resistance Rated current Device ( µ H) Qmin (MHz) frequency ( Ω -Max.) (mA-Max.) (MHz-Min.) NLF453232-390K 39.0 ± 10% 50 2.52 ...

  • Epson S1F70000 - page 163

    S1F76300 Series 4–18 EPSON S1F70000 Series Technical Manual Drum coil inductors Taiyo Yuuden FL series micro-inductors Toroidal coil inductors Tohoku Metal Industries HP series toroidal coil inductors Device Inductance Direct current (mA) FL3H 0.22 µ H to 10 µ H 280 to 670 FL4H 0.47 µ H to 12 µ H 300 to 680 FL5H 10 µ H to 1mH 50 to 320 FL7H ...

  • Epson S1F70000 - page 164

    S1F76300 Series S1F70000 Series EPSON 4–19 Technical Manual S1F76300 Series Diodes Shindengen DINS4 Schottky barrier diodes Parameter Symbol Condition Rating Unit Min. Typ. Max. Forward voltage V F I F = 1.1A, — — 0.55 V pulse measurement Reverse current I R V R = V RM , —— 1 m A pulse measurement Junction-to-lead thermal resistance θ jl ...

  • Epson S1F70000 - page 165

    S1F76300 Series 4–20 EPSON S1F70000 Series Technical Manual Other Applications Voltage booster Combining an S1F76310 switching regulator with an S1F76610C/M DC/DC converter and voltage regulator creates the voltage booster circuit shown in the follow- ing figure. Potential levels are shown in the following figure. Although the circuit appears to ...

  • Epson S1F70000 - page 166

    S1F76300 Series S1F70000 Series EPSON 4–21 Technical Manual S1F76300 Series Output voltage adjustment To ensure stable output, any circuit that adjusts the out- put voltage must contain C1, R A and R B . To stop switching current from affecting V O , the circuit must also satisfy the condition I O < I R . The following figure summarizes the re ...

  • Epson S1F70000 - page 167

    S1F76300 Series 4–22 EPSON S1F70000 Series Technical Manual Voltage (V) Multiplication Output Crystal Product frequency Voltage Power-on Battery Response voltage Oscillator Package Input Output source detection clear backup compensation temperature Output characteristic S1F76330M1B0 1.5 3.00 Crystal No No No No No Yes SOP3-8pin (0.9 Min.) oscilla ...

  • Epson S1F70000 - page 168

    S1F76300 Series S1F70000 Series EPSON 4–23 Technical Manual S1F76300 Series PIN DESCRIPTIONS S1F76330 series Number Name Description 1C O Crystal drain 2C I Crystal gate 3 GND Ground 4V SW External inductor drive 5V O Output voltage 6C L O Oscillator output 7V I Step-up input voltage 8 PS Power save. See note. Note See standby mode in the functio ...

  • Epson S1F70000 - page 169

    S1F76300 Series 4–24 EPSON S1F70000 Series Technical Manual SPECIFICATIONS Absolute Maximum Ratings S1F76330 series Parameter Symbol Rating Unit Input voltage V I1 7V Output current I O 100 mA Output voltage V O 7V Power dissipation P D 200 (SOP) mW 300 (DIP) Operating temperature range Topr –30 to +85 ˚C Storage temperature range Tstg –65 t ...

  • Epson S1F70000 - page 170

    S1F76300 Series S1F70000 Series EPSON 4–25 Technical Manual S1F76300 Series Typical Performance Characteristics Standby current vs. ambient temperature Normalized frequency deviation vs. input voltage 1 Normalized frequency deviation vs. gate capacitance 1 Normalized frequency deviation vs. input voltage 2 Normalized frequency deviation vs. gate ...

  • Epson S1F70000 - page 171

    S1F76300 Series 4–26 EPSON S1F70000 Series Technical Manual Load characteristics S1F76330M1B0 Notes Inductor: TDK NLF453232-221k (220 µ H) Diode: Shindengen DINS4 Schottky barrier diode Capacitor: NEC MSVB20J106M (10 µ F) Notes 1. V I1 = 1.5V 2. Inductor: TDK NLF453232 series Diode: Shindengen DINS4 Schottky barrier diode Capacitor: NEC MSVB20J ...

  • Epson S1F70000 - page 172

    S1F76300 Series S1F70000 Series EPSON 4–27 Technical Manual S1F76300 Series FUNCTIONAL DESCRIPTIONS Basic Voltage Booster Operation Tr1 switches ON and OFF at the frequency of the clock pulses from the crystal oscillator. When the transistor is ON, the circuit stores energy in L. When it is OFF, this energy flows through D to charge C. The output ...

  • Epson S1F70000 - page 173

    S1F76300 Series 4–28 EPSON S1F70000 Series Technical Manual Powering up Ensure that V O is at least the minimum operating volt- age (0.9V) before switching on the booster circuit. One way to do this is to connect a capacitor between PS and GND so that the chip connects V O to V I when the power is applied for the first time. Inductor Use an induc ...

  • Epson S1F70000 - page 174

    S1F76300 Series S1F70000 Series EPSON 4–29 Technical Manual S1F76300 Series Diode Use a Schottky barrier diode with a high switching speed and low forward voltage drop, V F . Capacitor To minimize ripple voltages, use capacitors with a small equivalent direct-current resistance for smooth- ing. Sample External Components Leadless inductors TDK NL ...

  • Epson S1F70000 - page 175

    S1F76300 Series 4–30 EPSON S1F70000 Series Technical Manual Device Inductance ( µ H) Direct current (mA) FL3H 0.22 to 10 280 to 670 FL4H 0.47 to 12 300 to 680 FL5H 10 to 1000 50 to 320 FL7H 680 to 8200 50 to 170 FL9H 330 to 33000 50 to 500 FL11H 10000 to 150000 35 to 110 Device Rated current Inductance ( µ H) at 20kHz, 5V Diameter × height Wir ...

  • Epson S1F70000 - page 176

    S1F76300 Series S1F70000 Series EPSON 4–31 Technical Manual S1F76300 Series Parameter Symbol Conditions Rating Unit Min. Typ. Max. Forward voltage V F I F = 1.1A, — — 0.55 V pulse measurement Reverse current I R V R = V RM , —— 1 m A pulse measurement Junction-to-lead thermal resistance θ jl — — 23 ˚C/W Junction-to-ambient thermal r ...

  • Epson S1F70000 - page 177

    S1F76300 Series 4–32 EPSON S1F70000 Series Technical Manual Other Applications Voltage booster Combining an S1F76330M1B0 switching regulator with an S1F76610C/M DC/DC converter and voltage regulator creates the voltage booster circuit shown in the following figure. Potential levels are shown in the following figure. Although the circuit appears t ...

  • Epson S1F70000 - page 178

    S1F76300 Series S1F70000 Series EPSON 4–33 Technical Manual S1F76300 Series Output voltage adjustment To ensure stable output, any circuit that adjusts the out- put voltage must contain C1, R A and R B . To stop switching current from affecting V O , the circuit must also satisfy the condition I O < I R . The following figure summarizes the re ...

  • Epson S1F70000 - page 179

    S1F71100 Series 4–34 EPSON S1F70000 Series Technical Manual DESCRIPTION S1F71100 is a pulse width modulation (PWM) type step-down DC/DC converter control IC for which the CMOS process is used and to which a power transistor is connected outside. S1F71100 is composed of an os- cillator, a reference voltage circuit, an error amplifier, a PWM circui ...

  • Epson S1F70000 - page 180

    S1F71100 Series S1F70000 Series EPSON 4–35 Technical Manual S1F71100 Series PIN ASSIGNMENTS S SCAP POFFX V DD I SENSE V SS V O ERCAP SWO Inde x 1 2 3 4 8 7 6 5 PIN DESCRIPTIONS Pin No. Pin name Pin Type Description 1S SCAP — The soft start function is obtained when a capacitor is connected between the capacitor connection pin for setting soft s ...

  • Epson S1F70000 - page 181

    S1F71100 Series 4–36 EPSON S1F70000 Series Technical Manual FUNCTIONAL DESCRIPTIONS Description of Operation S1F71100 is a step-down switching regulator control IC of load current detection type pulse width modulation (PWM) system and is composed of an oscillator, a ref- erence voltage circuit, an error amplifier, a PWM cir- cuit, various protect ...

  • Epson S1F70000 - page 182

    S1F71100 Series S1F70000 Series EPSON 4–37 Technical Manual S1F71100 Series Power Off Function S1F71100 can control circuit operations according to external signal control. When the POFFX pin is con- nected to the V SS level, all circuits stop their operations and their powers are turned off. The current consump- tion at the power off state is le ...

  • Epson S1F70000 - page 183

    S1F71100 Series 4–38 EPSON S1F70000 Series Technical Manual ELECTRICAL CHARACTERISTICS DC Characteristics (S1F71100M0A0) Unless otherwise specified, Ta = 25˚C. Parameter Symbol Conditions Specification Unit Min. Typ. Max. Input supply voltage V DD — 3.3 — 12.0 V Output voltage V O V DD =5.0V 3.150 3.3 3.450 V Ta=–30 to +85˚C Current consu ...

  • Epson S1F70000 - page 184

    S1F71100 Series S1F70000 Series EPSON 4–39 Technical Manual S1F71100 Series EXAMPLE OF EXTERNAL CONNECTION OF REFERENCE CIRCUIT Example of Standard Circuit – + + – + – POFFX I SENSE SWO V SS V DD V DD CIN2 CIN1 SSCAP SSCAP soft star t V O ERCAP ERCAP phase compen- sation Low-v oltage protection circuit Error amplifier Driver Overcurrent pro ...

  • Epson S1F70000 - page 185

    S1F71100 Series 4–40 EPSON S1F70000 Series Technical Manual MECHANICAL DATA Lead type STD (SOP4–8pin STD) Symbol Dimension in Milimeters Dimension in Inches * Min. Nom. Max. Min. Nom. Max. E 4.8 5 5.2 (0.189) (0.197) (0.204) D 1 A 1.75 (0.069) A 1 0.15 (0.006) A 2 1.6 (0.063) e 1.27 (0.05) b 0.25 0.35 0.45 (0.010) (0.014) (0.017) C 0.05 0.15 0. ...

  • Epson S1F70000 - page 186

    S1F71200 Series S1F70000 Series EPSON 4–41 Technical Manual S1F71200 Series DESCRIPTION S1F71200 is a step-up/step-down DC/DC converter control IC for which the CMOS process is used and to which a power transistor is connected outside. S1F71200 is composed of an oscillator, a reference voltage circuit, an error amplifier, a PWM circuit, a se- rie ...

  • Epson S1F70000 - page 187

    S1F71200 Series 4–42 EPSON S1F70000 Series Technical Manual BLOCK DIAGRAM SWO V DD1 V DD2 EXO V O SRC I REF V REF SSC V SS SWC V C POFFX V SW I SENSE Oscillator PWM _ + + _ _ + Driver Overcurrent detection circuit Soft star t Series regulator Error amplifier Ref erence voltage circuit ...

  • Epson S1F70000 - page 188

    S1F71200 Series S1F70000 Series EPSON 4–43 Technical Manual S1F71200 Series PIN ASSIGNMENTS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Inde x SSOP2–16pin ...

  • Epson S1F70000 - page 189

    S1F71200 Series 4–44 EPSON S1F70000 Series Technical Manual PIN DESCRIPTIONS Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin name V DD1 V DD2 EXO V O SRC I REF V REF (N.C) POFFX V C SWC V SW V SS SSC I SENSE SWO Pin type Power supply Power supply Output — — Output Output — Input Input — — — — Input Output Power system V DD1 V DD2 ...

  • Epson S1F70000 - page 190

    S1F71200 Series S1F70000 Series EPSON 4–45 Technical Manual S1F71200 Series Description of Operation S1F71200 is a switching regulator (step-up) and series regulator (step-down) control IC of pulse width modu- lation (PWM) system. When external parts such as transistor, inductor, capacitor, diode and resistor are connected, S1F71200 can constitut ...

  • Epson S1F70000 - page 191

    S1F71200 Series 4–46 EPSON S1F70000 Series Technical Manual Overcurrent Protection Circuit The overcurrent protection circuit functions when an overcurrent flows through the current detection resistor during the step-up operation and the voltage at the I SENSE pin rises over the set voltage value. When the overcurrent protection function works, t ...

  • Epson S1F70000 - page 192

    S1F71200 Series S1F70000 Series EPSON 4–47 Technical Manual S1F71200 Series ABSOLUTE MAXIMUM RATINGS Symbol V DD EXO V O SRC I REF V REF POFFX V C SWC V SW SSC I SENSE SWO P D T opr T stg T sol Applicable Pin V DD1 V DD2 EXO V O SRC I REF V REF POFFX V C SWC V SW SSC I SENSE SWO P D — — — Rating 15.0 V SS – 0.3 to V DD2 + 0.3 V SS – 0.3 ...

  • Epson S1F70000 - page 193

    S1F71200 Series 4–48 EPSON S1F70000 Series Technical Manual ELECTRICAL CHARACTERISTICS S1F71200M0A0 (Output : 5.0V) DC Characteristics Unless otherwise specified, Ta = 25 ° C. Parameter Input supply voltage 1 Input supply voltage 2 Step-up set voltage Output voltage Operating time current consumption 1 (during step-up operation) Operating time c ...

  • Epson S1F70000 - page 194

    S1F71200 Series S1F70000 Series EPSON 4–49 Technical Manual S1F71200 Series * These values are available when external parts are used in the example of circuit connection shown on the at- tached sheet. The characteristics vary with applicable parts. Select proper parts after sufficient evaluation. Min. — — — — 120 0.10 — Typ. — — 10 ...

  • Epson S1F70000 - page 195

    S1F71200 Series 4–50 EPSON S1F70000 Series Technical Manual S1F71200M0B0 (Output : 3.3V) DC Characteristics Unless otherwise specified, Ta = 25 ° C. Min. 2.5 — — — 3.15 — — — — — –0.6 1.0 — — 0.8V DD1 — Max. 12.0 12.0 — — 3.45 250 30 200 40 1.0 — — — — — 0.2V DD1 Typ. — — 4.3 3.8 3.3 150 15 100 20 — 50 ...

  • Epson S1F70000 - page 196

    S1F71200 Series S1F70000 Series EPSON 4–51 Technical Manual S1F71200 Series * These values are available when external parts are used in the example of circuit connection shown on the at- tached sheet. The characteristics vary with applicable parts. Select proper par ts after sufficient evaluation. Rating Min. — — — — 120 0.10 — Typ. ? ...

  • Epson S1F70000 - page 197

    S1F71200 Series 4–52 EPSON S1F70000 Series Technical Manual EXAMPLE OF EXTERNAL CONNECTION OF REFERENCE CIRCUIT Basic Circuit SWO V DD1 V DD2 EXO V O SRC I REF V REF SSC V SS SWC V C POFFX V SW I SENSE PWM _ + + _ _ + Oscillator Driver Overcurrent detection circuit Soft star t Series regulator Error amplifier Ref erence voltage circuit Input volt ...

  • Epson S1F70000 - page 198

    S1F71200 Series S1F70000 Series EPSON 4–53 Technical Manual S1F71200 Series Example of Parts Connection SWO V DD1 S1F71200 V DD2 PNPT r EXO V O CV SW D L SRC CV OUT CV DD1 V BA T AC/DC I REF V REF RI REF CV REF SSC CSSC V SS SWC VC POFFX V SW I SENSE R SENSE N ch MOST r Input voltage Output voltage Parts examples CV DD1 47 µ F (Sanyo 16SA47M) Nc ...

  • Epson S1F70000 - page 199

    S1F71200 Series 4–54 EPSON S1F70000 Series Technical Manual MECHANICAL DATA Plastic SSOP2-16pin Reference 9 8 16 1 D D 1 E H E b A 1 A 2 A INDEX e θ 3 θ 2 L C R R 1 L 1 L 2 θ * for reference Symbol E D 1 A A 1 A 2 e b C θ L L 1 L 2 H E D θ 2 θ 3 R R 1 Min. 4.2 6.4 1.4 0.26 0.1 0 ° 0.3 5.9 Nom. 4.4 6.6 0.05 1.5 0.8 0.36 0.15 0.5 0.9 0.4 6.2 ...

  • Epson S1F70000 - page 200

    5 . V olt a g e Detector ...

  • Epson S1F70000 - page 201

    S1F70000 Serie s EPSO N 5 –1 Technical Manual S1F77200Y Series S1F77200Y Series DESCRIPTION The S1F77200Y series products are non-adjusting volt- age detectors being developed utilizing he base of the CMOS silicon gate process. This voltage detector consists of the reference voltage circuit, voltage comparator, hysteresis circuit and out- put cir ...

  • Epson S1F70000 - page 202

    S1F77200Y Series 5 – 2 EPSO N S1F70000 Series Technical Manual LINEUP Table 5-1 Product Voltage detectable Output type Output phase Min. Typ. Max. Less than V DET V DET or above S1F77210Y1C0 2.10 2.15 2.20 CMOS Low level High level S1F77210Y1P0 2.20 2.25 2.30 CMOS Low level High level S1F77210Y1S0 2.30 2.35 2.40 CMOS Low level High level S1F77210 ...

  • Epson S1F70000 - page 203

    S1F70000 Serie s EPSO N 5 –3 Technical Manual S1F77200Y Series S1F77200Y Series BLOCK DIAGRAM S1F77200Y1 * 0 Type S1F77200Y2 * 0 Type S1F77210Y1 * 0 Type S1F77210Y2 * 0 Type S1F77220Y1 * 0 Type S1F77220Y2 * 0 Type Note: A different code can be employed for the ones preceded by * marking depending on their detecting voltage specification. V DD (2p ...

  • Epson S1F70000 - page 204

    S1F77200Y Series 5 – 4 EPSO N S1F70000 Series Technical Manual PIN DESCRIPTIONS Pin No. Pin name Description 1 OUT Voltage detection output pin 2V DD Input voltage pin (positive side) 3V SS Input voltage pin (negative side) PIN ASSIGNMENTS SOT89-3pin FUNCTIONAL DESCRIPTIONS The S1F77200Y series has the circuit configuration as shown in the figure ...

  • Epson S1F70000 - page 205

    S1F70000 Serie s EPSO N 5 –5 Technical Manual S1F77200Y Series S1F77200Y Series The following figures show the input and output characteristics of the S1F77200Y series. [S1F772 * 0Y1 * 0 Type] S1F772 * 0Y2 * 0 Type Note: The above input/output characteristics assumes that the pull up resistor is connected to the output pin for the S1F77200Y serie ...

  • Epson S1F70000 - page 206

    S1F77200Y Series 5 – 6 EPSO N S1F70000 Series Technical Manual ELECTRIC CHARACTERISTICS S1F77210Y1P0 (Ta = –30 ° C to +85 ° C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage V DD 1.50 — 12.0 V Detection voltage V DET Ta = 25 ° C 2.20 2.25 2.30 V Hysteresis width ...

  • Epson S1F70000 - page 207

    S1F70000 Serie s EPSO N 5 –7 Technical Manual S1F77200Y Series S1F77200Y Series S1F77210Y1S0 (Ta = –30 ° C to +85 ° C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage V DD 1.50 — 12.0 V Detection voltage V DET Ta = 25 ° C 2.30 2.35 2.40 V Hysteresis width V HYS V ...

  • Epson S1F70000 - page 208

    S1F77200Y Series 5 – 8 EPSO N S1F70000 Series Technical Manual S1F77210Y1F0 (Ta = –30 ° C to +85 ° C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage V DD 1.50 — 12.0 V Detection voltage V DET Ta = 25 ° C 2.60 2.65 2.70 V Hysteresis width V HYS V HYS = V REL – V ...

  • Epson S1F70000 - page 209

    S1F70000 Serie s EPSO N 5 –9 Technical Manual S1F77200Y Series S1F77200Y Series S1F77210Y1G0 (Ta = –30 ° C to +85 ° C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage V DD 1.50 — 12.0 V Detection voltage V DET Ta = 25 ° C 2.93 3.00 3.07 V Hysteresis width V HYS V ...

  • Epson S1F70000 - page 210

    S1F77200Y Series 5 –1 0 EPSO N S1F70000 Series Technical Manual S1F77210Y1 30 (Ta = –30 ° C to +85 ° C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage V DD 1.50 — 12.0 V Detection voltage V DET Ta = 25 ° C 3.43 3.50 3.57 V Hysteresis width V HYS V HYS = V REL – ...

  • Epson S1F70000 - page 211

    S1F70000 Serie s EPSO N 5 –11 Technical Manual S1F77200Y Series S1F77200Y Series S1F77210Y1M0 (Ta = –30 ° C to +85 ° C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage V DD 1.50 — 12.0 V Detection voltage V DET Ta = 25 ° C 4.10 4.20 4.30 V Hysteresis width V HYS V ...

  • Epson S1F70000 - page 212

    S1F77200Y Series 5 –1 2 EPSO N S1F70000 Series Technical Manual S1F77210Y1 20 (Ta = –30 ° C to +85 ° C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage V DD 1.50 — 12.0 V Detection voltage V DET Ta = 25 ° C 4.50 4.60 4.70 V Hysteresis width V HYS V HYS = V REL – ...

  • Epson S1F70000 - page 213

    S1F70000 Serie s EPSO N 5 –13 Technical Manual S1F77200Y Series S1F77200Y Series S1F77210Y1L0 (Ta = –30 ° C to +85 ° C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage V DD 1.50 — 12.0 V Detection voltage V DET Ta = 25 ° C 4.90 5.00 5.10 V Hysteresis width V HYS V ...

  • Epson S1F70000 - page 214

    S1F77200Y Series 5 –1 4 EPSO N S1F70000 Series Technical Manual S1F77210Y1 F0 (Ta = –30 ° C to +85 ° C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage V DD 1.50 — 12.0 V Detection voltage V DET Ta = 25 ° C 2.60 2.65 2.70 V Hysteresis width V HYS V HYS = V REL – ...

  • Epson S1F70000 - page 215

    S1F70000 Serie s EPSO N 5 –15 Technical Manual S1F77200Y Series S1F77200Y Series S1F77200Y1F0 (Ta = –30 ° C to +85 ° C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage V DD 1.50 — 12.0 V Detection voltage V DET Ta = 25 ° C 2.60 2.65 2.70 V Hysteresis width V HYS V ...

  • Epson S1F70000 - page 216

    S1F77200Y Series 5 –1 6 EPSO N S1F70000 Series Technical Manual S1F77200Y1 N0 (Ta = –30 ° C to +85 ° C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage V DD 0.80 — 10.0 V Detection voltage V DET Ta = 25 ° C 1.85 1.90 1.95 V Hysteresis width V HYS V HYS = V REL – ...

  • Epson S1F70000 - page 217

    S1F70000 Serie s EPSO N 5 –17 Technical Manual S1F77200Y Series S1F77200Y Series S1F77200Y1Y0 (Ta = –30 ° C to +85 ° C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage V DD 0.80 — 10.0 V Detection voltage V DET Ta = 25 ° C 1.05 1.10 1.15 V Hysteresis width V HYS V ...

  • Epson S1F70000 - page 218

    S1F77200Y Series 5 –1 8 EPSO N S1F70000 Series Technical Manual S1F77200Y1 V0 (Ta = –30 ° C to +85 ° C is assumed except where otherwise specified.) Parameter Symbol Conditions (V SS = 0.0V) Min. Typ. Max. Unit Operating voltage V DD 0.80 — 10.0 V Detection voltage V DET Ta = 25 ° C 0.90 0.95 1.00 V Hysteresis width V HYS V HYS = V REL – ...

  • Epson S1F70000 - page 219

    S1F70000 Serie s EPSO N 5 –19 Technical Manual S1F77200Y Series S1F77200Y Series EXAMPLES OF EXTERNAL CONNECTION (3pin) (2pin) (1pin) V DD V SS OUT S1F77210Y Series Input voltage (+) Input voltage (—) Voltage detection output (3pin) (2pin) (1pin) OUT Input voltage (+) Input voltage (—) Voltage detection output Power supply for pull up resisto ...

  • Epson S1F70000 - page 220

    S1F77200Y Series 5 –2 0 EPSO N S1F70000 Series Technical Manual SAMPLE CIRCUITS (S1F77210Y S eries ) CR timer circuit When the S1F77210Y circuit configured as shown in Figure 5-14, it can be used as a CR timer circuit. Figure 5-14 CR timer circuit Battery backup circuit The following is an example of the supply voltage switching circuit for the b ...

  • Epson S1F70000 - page 221

    S1F70000 Serie s EPSO N 5 –21 Technical Manual S1F77200Y Series S1F77200Y Series SAMPLE CIRCUITS (S1F77200Y Series) CR timer circuit When the S1F77200Y circuit is configured as shown in Figure 5-16, it can be used as a CR timer circuit. Figure 5-16 CR timer circuit Battery backup circuit The following is an example of the supply voltage switching ...

  • Epson S1F70000 - page 222

    S1F77200Y Series 5 –2 2 EPSO N S1F70000 Series Technical Manual S1F 77210Y PRECAUTIONS Short cut current on the S1F77210 (CMOS output voltage detector) Since the S1F77200Y series employs CMOS output, as an input voltage nears the detection voltage range, short cut current is flown between V DD and V SS . The short cut current is voltage sensitive ...

  • Epson S1F70000 - page 223

    6 . Appendix ...

  • Epson S1F70000 - page 224

    S1F70000 Serie s EPSO N 6 –1 Technical Manual Appendix Appendix ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings are the maximum physical and electrical ratings of a device beyond which perfor- mance degradation or damage will occur. Always check circuit conditions before using a device to avoid exceeding these ratings. Typically, absolute maxim ...

  • Epson S1F70000 - page 225

    6 – 2 EPSO N S1F70000 Series Technical Manual Appendix Symbol Parameter I OPR2 Stabilization circuit power dissipation I Q Quiescent current I R Reverse current I SWQ Switching transistor leakage current K I Output voltage temperature gradient P D Power dissipation P eff Voltage multiplication efficiency R BSON Backup switch ON resistance R L Loa ...

  • Epson S1F70000 - page 226

    S1F70000 Serie s EPSO N 6 –3 Technical Manual Appendix Appendix Symbol Parameter V I Input voltage V IH High-level input voltage V IL Low-level input voltage V I Input voltage V O Output voltage V off Input offset voltage V op+ Input voltage range V OPMAX Maximum output voltage V OPMIN Minimum output voltage V REF Reference voltage V REG Output v ...

  • Epson S1F70000 - page 227

    6 – 4 EPSO N S1F70000 Series Technical Manual Appendix MECHANICAL DATA Plastic DIP–8pin Plastic QFP5–48pin Plastic SOP3–8pin Plastic DIP–14pin Plastic QFP12-48pin Plastic SOP4–8pin Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm 9.7 Max. 8 5 14 INDEX 9.1 ± 0.1 6.4 ± 0.1 1.3 0.8 ± 0.1 4.4 ± 0.1 3.0 Min. 0.46 ± 0.1 2.54 ± 0.25 ...

  • Epson S1F70000 - page 228

    S1F70000 Serie s EPSO N 6 –5 Technical Manual Appendix Appendix Plastic SOP5–14pin Plastic SOP2-24pin Plastic SSOP2–16pin SOT 89–3pin Plastic SOP2–28pin Plastic SSOP1–20pin Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm Unit: mm 8 14 7 1 INDEX 1.27 ± 0.1 6.8 10.2 ± 0.2 5.5 ± 0.2 0.4 ± 0.1 2.2 Max. 0.15 ± 0.1 0.4 8.0 ± 0.3 2.3 10.5 M ...

  • Epson S1F70000 - page 229

    6 – 6 EPSO N S1F70000 Series Technical Manual Appendix TAPING INFORMATION T he emboss carrier taping standard is shown in the following table and figure. This standard conforms to Dimension code Dimensions/angles (mm/ ° ) A 5.0 B 4.6 D 1.5 +0.1, –0.05 E 1.50 ± 0.1 F 5.65 ± 0.05 P1 8.0 ± 0.1 P0 4.0 ± 0.1 Dimension code Dimensions/angles (mm ...

  • Epson S1F70000 - page 230

    S1F70000 Serie s EPSO N 6 –7 Technical Manual Appendix Appendix Dimension code Dimensions (mm) A 178 ± 2.0 B 80 ± 1.0 C 13.0 ± 0.5 D 21.0 ± 1.0 E 2.0 ± 0.5 W 14.0 (See note.) W1 1.5 ± 0.1 W2 17 (See note.) r 1.0 REEL SPECIFICATIONS The reel specifications are shown in the following table and figure. The reel is made of paperboard. Note W an ...

  • Epson S1F70000 - page 231

    6 – 8 EPSO N S1F70000 Series Technical Manual Appendix TAPING INFORMATION T he emboss carrier taping standard is shown in the following table and figure. This standard conforms to the EIAJ RCI009B electronic parts taping specification. Each tape holds 2,000 devices. Dimension code Dimensions/angles (mm/ ° ) P2 2.0 ± 0.05 T 0.3 ± 0.05 T2 2.5 W ...

  • Epson S1F70000 - page 232

    S1F70000 Serie s EPSO N 6 –9 Technical Manual Appendix Appendix REEL SPECIFICATIONS The reel specifications are shown in the following table and figure. The reel is made of paperboard. Dimension code Dimensions (mm) A 330 ± 2.0 B 80 ± 1.0 C 13.0 ± 0.5 D 21.0 ± 0.5 E 2.0 ± 0.5 W 15.4 ± 1.0 (See note.) W1 2.0 ± 0.5 W2 23.4 (See note.) r 1.0 ...

  • Epson S1F70000 - page 233

    6 –1 0 EPSO N S1F70000 Series Technical Manual Appendix Type F product are positioned so that the index mark is on the opposite side to the sprocket holes, as shown in the following figure. Index mark Travel direction ...

  • Epson S1F70000 - page 234

    S1F70000 Serie s EPSO N 6 –11 Technical Manual Appendix Appendix TAPING INFORMATION The emboss carrier taping standard is shown in the following table and figure. This standard conforms to Dimension code Dimensions (mm/ ° ) P2 2.0 ± 0.1 T 0.3 ± 0.05 T2 3.0 W 16.0 ± 0.3 W1 13.5 blanks. This does not apply to the tape leader and trailer. Dimens ...

  • Epson S1F70000 - page 235

    6 –1 2 EPSO N S1F70000 Series Technical Manual Appendix REEL SPECIFICATIONS The reel specifications are shown in the following table and figure. The reel is made of paperboard. Note W and W2 are measured at the reel core. DEVICE POSITIONING Type B products are positioned so that the index mark is on the sprocket hole side of the tape, as shown in ...

  • Epson S1F70000 - page 236

    S1F70000 Serie s EPSO N 6 –13 Technical Manual Appendix Appendix Type F products are positioned so that the index mark is on the opposite side to the sprocket holes, as shown in the following figure. Index mark Travel direction ...

  • Epson S1F70000 - page 237

    6 –1 4 EPSO N S1F70000 Series Technical Manual Appendix TAPING INFORMATION The emboss carrier taping standard is shown in the following table and figure. This standard conforms to Dimension code Dimensions (mm) P0 4.0 ± 0.1 P2 2.0 ± 0.1 T 0.3 ± 0.05 T2 3.0 ± 0.1 W 24 ± 0.2 W1 21.5 Typ. trailer. The tape tension should be approximately 10 N ( ...

  • Epson S1F70000 - page 238

    S1F70000 Serie s EPSO N 6 –15 Technical Manual Appendix Appendix Tape configuration The tape configuration is shown in the following figure. Blank sections are provided as a leader and trailer, with 1,000 SOP2 packages fitted into the com- ponent mounting section between them. At the begin- ning of the leader section there is an extra section of ...

  • Epson S1F70000 - page 239

    6 –1 6 EPSO N S1F70000 Series Technical Manual Appendix REEL SPECIFICATIONS The reel specifications are shown in the following table and figure. The reel is made of conductive PVC. Note W and W2 are measured at the reel core. DEVICE POSITIONING Type B products are positioned so that the index mark is on the sprocket hole side of the tape, as show ...

  • Epson S1F70000 - page 240

    S1F70000 Serie s EPSO N 6 –17 Technical Manual Appendix Appendix Type F products are positioned so that the index mark is on the opposite side to the sprocket holes, as shown in the following figure. Index mark Travel direction ...

  • Epson S1F70000 - page 241

    AMERICA EPSON ELECTRONICS AMERICA, INC. HEADQUARTERS 150 River Oaks Parkway San Jose, CA 95134, U.S.A. Phone : +1-408-922-0200 Fax : +1-408-922-0238 SALES OFFICES West 1960 E. Grand Avenue El Segundo, CA 90245, U.S.A. Phone : +1-310-955-5300 Fax : +1-310-955-5400 Central 101 Virginia Street, Suite 290 Crystal Lake, IL 60014, U.S.A. Phone : +1-815-4 ...

  • Epson S1F70000 - page 242

    NO TICE No part of this material may be reproduced or duplicated in any from or by any means without the written permission of Seiko Epson. Seiko Epson reserves the right to make changes to this material without notics. Seiko Epson does not assume any liability of any kind arising out of any inaccuracies contained in this material or due to its app ...

  • Epson S1F70000 - page 243

    MF302 - 11 T echnical Manual S1F70000 Series T echnical Manual IEEE1394 Controller S1R77801F00A T echnical Manual S1F70000 Series EPSON Electronic Devices Website ELECTRONIC DEVICES MARKETING DIVISION First issue November,1990 U Revised July,2002 in Japan H B 4.5mm T echnical Manual POWER SUPPLY IC S1F70000 Series http://www.epson.co.jp/device/ Thi ...

Manufacturer Epson Category Power Supply

Documents that we receive from a manufacturer of a Epson S1F70000 can be divided into several groups. They are, among others:
- Epson technical drawings
- S1F70000 manuals
- Epson product data sheets
- information booklets
- or energy labels Epson S1F70000
All of them are important, but the most important information from the point of view of use of the device are in the user manual Epson S1F70000.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Epson S1F70000, service manual, brief instructions and user manuals Epson S1F70000. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Epson S1F70000.

Similar manuals

A complete manual for the device Epson S1F70000, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Epson S1F70000 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Epson S1F70000.

A complete Epson manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Epson S1F70000 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Epson S1F70000, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Epson S1F70000, that we can find in the current document
3. Tips how to use the basic functions of the device Epson S1F70000 - which should help us in our first steps of using Epson S1F70000
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Epson S1F70000
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Epson S1F70000 in a specific country, if it was not possible to solve the problem on our own.

Do you have a question concerning Epson S1F70000?

Use the form below

If you did not solve your problem by using a manual Epson S1F70000, ask a question using the form below. If a user had a similar problem with Epson S1F70000 it is likely that he will want to share the way to solve it.

Copy the text from the picture

Captcha
New picture

Comments (0)