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Delta Electronics H48SV - page 1
Delphi Series H48SV , 150W Half Brick Family DC/DC Power Modules: 48V in, 5V/30A out The Delphi Series H48SV Half Brick, 48V input, single output, isol ated DC/DC conve rters are the of fering from a world le ader in power system s technology and manufacturing — Delta Electroni cs, Inc. This product family provides an extremely co st effect ive s ...
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Delta Electronics H48SV - page 2
TECHNICAL SPECIFICA TIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal V ou t unless otherwise no ted.) PA R A M E T E R NOTES and CONDITIONS H48SV05030 (St andard) Min. T y p. Max. Units ABSOLUTE MAXIMUM RA TINGS Input V oltage Continuous 80 Vdc T ransient (100ms) 100ms 100 Vdc Operating T emperature Refer to figure 2 1 for measuring -4 ...
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Delta Electronics H48SV - page 3
ELECTRICAL CHARACTERISTICS CUR VES 60 65 70 75 80 85 90 95 5 1 01 52 02 5 OUTP UT CURRENT (A) EFFICIENCY (%) 3 0 36Vi n 48Vin 75Vin 0.0 4.0 8.0 12.0 16.0 20.0 24.0 5 1 01 52 02 53 OUTPUT CURRE NT(A) POWER DISSIPATION (W) 0 36Vin 48Vi n 75Vi n Figure 1: Efficiency vs. load current for minimum, nominal, and maximum in put voltage at 25 ° C. Figure 2 ...
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Delta Electronics H48SV - page 4
ELECTRICAL CHARACTERISTICS CUR VES For Negative Remote On/Off Logic Figure 4: T urn-on transient at full rated l oad current (resistive load) (2 ms/div).Vin=48V . T op T race: V out; 2V/div; Bottom T race: ON/OFF input: 5V/div Figure 5: T urn-on transient at zero load current (2 ms/div). Vin = 48 V . T op T race: V out: 2V/div; Bottom T race: ON/OF ...
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Delta Electronics H48SV - page 5
ELECTRICAL CHARACTERISTICS CUR VES Figure 8: Output voltage response to step-change in load current (50%-75%-50% of Imax; dI/dt = 0.1A/µs).Vin=48V . Load cap: 10µF , tantalum capacitor and 1µF ceramic capacitor . T op trace: V out ( 100mV/div), Bottom trac e: Iout (10A/div). Scope measurement shou ld be made using a BNC cable (length shorter tha ...
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Delta Electronics H48SV - page 6
ELECTRICAL CHARACTERISTICS CUR VES Figure 1 1 : Input T erminal Ri pple Current, i c , at full rated output current and nominal i nput voltage with 12 µ H source impedance and 33 µ F electrolytic capacitor (200 mA/div). Figure 12 : Input reflected ri pple current, i s , through a 1 2 µ H source inductor at nominal input vo ltage and rated l oad ...
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Delta Electronics H48SV - page 7
ELECTRICAL CHARACTERISTICS CUR VES Figure 14: Output volt age ripple at nominal input voltage (Vin=48V) and rated loa d current (Io=3 0A) (20 mV/di v). Load capacitance: 1µF c eramic capacitor and 10µF tantalum capacitor . Ban dwid t h: 20 MHz. Scope measurement should be made using a BNC cable (length shorter than 2 0 inches). Position the load ...
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Delta Electronics H48SV - page 8
DS_H48SV05030_08102007 8 The input source must be insulated from the ac mains by reinforced or double insulation. The input terminals of the module are not operator accessible. If the metal baseplate is grounded , one Vi pin and one Vo pin shall also be grounded. A SELV reliability test is conducted on the system where the module is ...
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Delta Electronics H48SV - page 9
FEA TURES DESCRIPTIONS Over-Current Protection The modules include an internal output over-curre nt protection circuit, which will endure current limiting for an unlimited duration during output overload. If the output current exceeds the OCP set point, the modul es will automatically shut down (hiccup mode). The modules will try to restart after s ...
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Delta Electronics H48SV - page 10
DS_H48SV05030_08102007 10 Figure 19: Circuit configuration for trim-up (increase output voltage) If the external resistor is connected bet ween the TRIM and SENSE (+) the output voltage set point increase s (Fig. 23). The external resi stor value required to obt ain a percentage output voltage change △ % is defined as: () Ω ∆ ∆ K Vo - ) (1 ...
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Delta Electronics H48SV - page 11
DS_H48SV05030_08102007 11 THERMAL CONSIDERA TIONS Thermal management is an importa nt part of the system design. To ensure prop er, reliable operation, suffici ent cooling of the power mod ule is needed over the entire temperature range of the modul e. Convection coolin g is usually the dominant mode of heat transfer. Hence, the choice of equipment ...
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Delta Electronics H48SV - page 12
MECHANICAL DRA WING Pin No. Name Function 1 2 3 4 5 6 7 8 9 -Vin Case ON/OFF +Vin +V out +SENSE TRIM -SENSE -V out Negative input voltage Case Ground Remote ON/OFF Positive input voltage Positive output voltage Positive remote sense Output voltage trim Negative remote sense Negative output voltage Pin Specification: Pins 1-4, 6-8 1.02mm (0.040”) ...
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Delta Electronics H48SV - page 13
P ART NUMBERING SYSTEM H 48 S V 050 30 N R F A Form Factor Input V oltage Number of Output s Product Series Outp ut Vo l t a g e Output Current ON/OFF Logic Pin Length Option Code H- Half Brick 48V S- Single V - V alue line 050- 5V 30- 30A N- Negative P- Positive R- 0.170” N- 0.145” K- 0.1 10 ” F- RoHS 6/6 (Lead Free) A- S tandard Functions M ...
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