Instruction/ maintenance manual of the product H48SR Delta Electronics
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DATASHEET DS_H48SR1R880_06 272006 Delta Electronics, Inc. Delphi Series H48SR, 200W Half Brick Family DC/DC Power Modules: 48V in, 1.8V/80A out The Delphi Series H48SR Half Brick, 48V input, adjustabl.
DS_H48SR1R88 0_06272006 2 TECHNICAL SPECIFICATIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal Vou t unless otherwise no ted.) PARAMETER NOTES and CONDITIONS H48SR1R880NRFA Min.
DS_H48SR1R88 0_06272006 3 ELECTRICAL CHARACT ERISTICS CURVES 60 65 70 75 80 85 90 95 10 20 30 40 50 60 70 80 OUTPUT CURRENT (A) EFFICIENT (%) 36Vin 48Vin 75V in 0.0 4.0 8.0 12.0 16.0 20.0 24.0 10 20 30 40 50 60 70 80 OUTPUT CURRENT(A) POWER DISS IPATION (W) 36Vin 48Vin 75V in Figure 1: Efficiency vs.
DS_H48SR1R88 0_06272006 ELECTRICAL CHARACT ERISTICS CURVES 76 78 80 82 84 86 88 90 0.8 1.0 1.2 1. 4 1.6 1.8 OUTPUT VOLT AGE (V) EFFICIENCY (%) 36Vin 48Vin 75V in 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 0.8 1.0 1.2 1.4 1. 6 1.8 OUTPUT VOLT AGE (V) POWER DISS IPATION (W) 36Vin 48Vin 75Vin Figure 5: Efficiency vs.
DS_H48SR1R88 0_06272006 ELECTRICAL CHARACTERISTICS CURVES Figure 9: Turn-on transient at zero load current (2 ms/div). Top Trace: Vout: 1V/div; Bottom Trace: ON/OFF input : 2V/div Figure 10: Output voltage response to step-change in loa d current (75%-50%-75% of Io, max; di/dt = 0.
DS_H48SR1R88 0_06272006 6 ELECTRICAL CHARACTERISTICS CURVES Figure 13: Input Terminal Ripple Current, i c , at full rated output current and nominal input voltag e with 12µH source impedance and 33 µF electrolyt ic capacitor (500 mA/div).
DS_H48SR1R88 0_06272006 Figure 20: Output current vs. ambient temperature and air velocity (Vin=48V / 75V, V out =1.8V ) Figure 21: Power dissipation vs. ambient temperature and air velocity (Vin=48V / 75V, V out =0.8V~1.8V ) THERMAL CURVES H48SR1R 880(Standard) Output Current vs.
DS_H48SR1R88 0_06272006 8 Do not ground one of the input pins without gro unding one of the output pins. This conne ction may allow a non-SELV voltage to appear between the output pin and ground. The power module h as extra-low voltage (ELV) outputs when all inputs are ELV.
DS_H48SR1R88 0_06272006 9 Vo(+) Vi(+) Vo(-) Sense(-) Sense(+) Vi(-) ON/OFF Figure 22: Remote on/off implementation Remote Sense Remote sense compen sates for voltage drops on the output by sensing the actual output voltage at the point of load.
DS_H48SR1R88 0_06272006 FEATURES DESCRIPTIONS (CON.) Output Voltage Adjustment (TRIM) To increase or decrea se the output voltage set poi nt, the modules may be connected wit h an external resistor between the TRIM pin and eithe r the SENSE(+) or SENSE(-).
DS_H48SR1R88 0_06272006 11 Note: Wind Tunn e l Te s t S e tup Fig u r e D imensio ns are in m illimeters and (In che s ) 12.7 (0.5” ) MODULE A IR FLOW 50.
DS_H48SR1R88 0_06272006 12 MECHANICAL DRAWING Pin No. Name Function 1 2 3 4 5 6 7 8 -Vin ON/OFF +Vin +Vout +SENSE TRIM -SENSE -Vout Negative input voltage Remote ON/OFF Positive input voltage Positive output voltage Positive remote sense Output voltage trim Negative remote sense Negative output voltage Notes: 1 2 3 Pins 1-3, 5-7 are 1.
DS_H48SR1R88 0_06272006 PART NUMBERING SYSTEM H 48 S R 1R8 80 N R 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 48- 36V~75V S- Single R- Single Board 1R8- 1.
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