English dropdown-ico

Manual Delta Electronics Series H48SA

14 pages 0.52 mb
Download

Go to site of 14

Summary
  • Delta Electronics Series H48SA - page 1

    1 FEATURES  High efficiency: 93.2% @ 12V/ 25A  Standard footprint: 58.4 x 61.0 x 1 1.2 mm (2.30” x2.40”x0.44”)  Industry standard pin out  Single board construction  Fixed frequency operation  2250V Isolation  Basic insulation  Monotonic startup into normal and pre- bias loads  Fully protected: input UVLO, output OV ...

  • Delta Electronics Series H48SA - page 2

    DS_H48SA12025_05052 008 2 TECHNICAL SPECIFICATIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal Vou t unless otherwise noted.) PARAMETER NOTES and CONDITIONS H48SA12025 (Standard) Min. Ty p . Max. Units ABSOLUTE MAXIMUM RA TINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Operating Device Temperatur e(Openframe) Pleas ...

  • Delta Electronics Series H48SA - page 3

    DS_H48SA12025_05052 008 ELECTRICAL CHARACT ERISTICS CURVES 60 65 70 75 80 85 90 95 5 1 01 52 02 5 O UT P UT CURRENT (A) EF F IC IEN CY ( %) 36V in 75V in 48V in 0 5 10 15 20 25 30 0 5 10 15 20 25 O UT P UT CURRE NT (A ) POW ER D ISSIPATI ON ( W ) 36V in 48V in 75V in Figure 1: Efficiency vs. load cur rent for mi nimum, no minal, and maximum input v ...

  • Delta Electronics Series H48SA - page 4

    DS_H48SA12025_05052 008 4 ELECTRICAL CHARACT ERISTICS CURVES 60 65 70 75 80 85 90 95 5 1 01 52 02 5 O UT P UT CURRE N T (A ) EF F IC IEN CY ( %) 36V in 75V in 48V in 0 5 10 15 20 25 30 0 5 10 15 20 25 O UT P UT CURRE NT (A ) P O WER DI S S I P A TI O N (W) 36V in 48V in 75V in Figure 5: Efficiency vs. output voltage for minimu m, nominal, and maxim ...

  • Delta Electronics Series H48SA - page 5

    DS_H48SA12025_05052 008 5 ELECTRICAL CHARACTERISTICS CURVES Figure 9: Turn-on transient at zero load current, 4 ms/div; Top Trace: Vout, 5V/div; Bottom Trace: ON/OFF input , 5V/div. Figure 1 0: Output voltage response to st ep-change in load current, 200mV/div, 200us/div. 75%-50%-75% of Io, max, di/dt = 0.1 A /µs. Load cap: 10µF, tantalum capacit ...

  • Delta Electronics Series H48SA - page 6

    DS_H48SA12025_05052 008 ELECTRICAL CHARACTERISTICS CURVES Figure 13: Input Terminal Ripple Current, i c , at nominal input voltage and rated load curre nt with 12µH source impedanc e and 100µF electrolytic capacitor, 500 mA/div , 2us/div. Figure 14: Input reflected ripple current, i s , through a 12µH source inductor at nominal input voltage and ...

  • Delta Electronics Series H48SA - page 7

    DS_H48SA12025_05052 008 7 DESIGN CONSIDERATIONS Input Source Impedance The impedance of the input sou rce connecting to the DC/DC powe r modules will intera ct with the modul es and affect the stability. A low ac-impedan ce input source is recommend ed. If the source inductance is more than a few μ H, we advise adding a 33 to 100 μ F electrolytic ...

  • Delta Electronics Series H48SA - page 8

    DS_H48SA12025_05052 008 FEATURES DESCRIPTIONS Over-Current Protection The modules include an inte rnal output over-current protection circuit. If the output current exceed s the OCP set point, the modules will automatically shut down, a nd enter hiccup mode or latch mode, whi ch is optional. For hiccup mode, the module will try to restart after shu ...

  • Delta Electronics Series H48SA - page 9

    DS_H48SA12025_05052 008 9 Figure 21: Circuit configuration for tr im-down (decrease output voltage) If the external resistor is conne cted between the T RIM and SENSE (-) the output voltage set point decrease s (Fig. 21). The external re sistor value req uired to obtain a percentage of output voltage change △ % is defined as: Rtrim_down 100 Δ 2 ...

  • Delta Electronics Series H48SA - page 10

    DS_H48SA12025_05052 008 THERMAL CONSIDERATIONS Thermal management is an important part of the system design. To ensure proper, rel iable operation, sufficient cooling of the p ower module is ne eded over the entire temperature range of the module. Convection cooling is usually the dominant mode of heat tran sfer. Hence, the choice of equipme nt to ...

  • Delta Electronics Series H48SA - page 11

    DS_H48SA12025_05052 008 THERMAL CURVES H48SA12025(Standard) Output Current vs. Ambient Temperature and Ai r Velocity @Vin = 48V (Either Orientation) 0 5 10 15 20 25 25 30 35 40 45 50 55 60 65 70 75 80 85 Natur al Convection 100LFM 300LFM 200LFM Ambient Temperature ( ℃ ) Output Current ( A) 600LFM 500LFM 400LFM Figure 24: Temperature measurement l ...

  • Delta Electronics Series H48SA - page 12

    DS_H48SA12025_05052 008 12 MECHANICAL DRAWING (W ITHOUT HEATSPREADER) Pin No. Name Function 1 2 3 4 5 6 7 8 9 +Vin ON/OFF CASE -Vin -Vout -SENSE TRIM +SENSE +Vout Positive input voltage Remote ON/OFF Case pin Negative input voltage Negative output voltage Negative remote sense Output voltage trim Positive remote sense Positive output voltage Notes: ...

  • Delta Electronics Series H48SA - page 13

    DS_H48SA12025_05052 008 MECHANICAL DRAWING (WITH HEATSPREADER) 13 ...

  • Delta Electronics Series H48SA - page 14

    DS_H48SA12025_05052 008 14 PART NUMBERING SYSTEM H 48 S A 120 25 N N F A Form Factor Input Voltage Number of Outputs Product Series Output Voltage Output Current ON/OFF Logic Pin Length Option Code H - Half- Brick 48V S- Single A - Advanced 120- 12V 25- 25A N - Negative P - Positive N - 0.145” F- RoHS 6/6 (Lead Free) A - Standard Functions H - wi ...

Manufacturer Delta Electronics Category Power Supply

Documents that we receive from a manufacturer of a Delta Electronics Series H48SA can be divided into several groups. They are, among others:
- Delta Electronics technical drawings
- Series H48SA manuals
- Delta Electronics product data sheets
- information booklets
- or energy labels Delta Electronics Series H48SA
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 Delta Electronics Series H48SA.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Delta Electronics Series H48SA, service manual, brief instructions and user manuals Delta Electronics Series H48SA. 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 Delta Electronics Series H48SA.

Similar manuals

A complete manual for the device Delta Electronics Series H48SA, 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 Delta Electronics Series H48SA by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Delta Electronics Series H48SA.

A complete Delta Electronics 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 Delta Electronics Series H48SA - 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 Delta Electronics Series H48SA, 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 Delta Electronics Series H48SA, that we can find in the current document
3. Tips how to use the basic functions of the device Delta Electronics Series H48SA - which should help us in our first steps of using Delta Electronics Series H48SA
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Delta Electronics Series H48SA
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Delta Electronics Series H48SA in a specific country, if it was not possible to solve the problem on our own.

Do you have a question concerning Delta Electronics Series H48SA?

Use the form below

If you did not solve your problem by using a manual Delta Electronics Series H48SA, ask a question using the form below. If a user had a similar problem with Delta Electronics Series H48SA 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)