Instruction/ maintenance manual of the product Series H48SR Delta Electronics
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DS_H48SR1R860_06 272006 Delta Electronics , Inc. Delphi Series H48SR, 200W Half Brick Family DC/DC Power Modules: 48V in, 1.8V/60A out The Delphi Series H48SR Half Brick, 48V input, adjustable singl e.
DS_H48SR1R86 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 H48SR1R860NRFA Min.
DS_H48SR1R86 0_06272006 3 ELECTRICAL CHARACT ERISTICS CURVES 60 65 70 75 80 85 90 95 10 20 30 40 50 60 OUTPUT CURRENT (A ) EFFICIENCY (%) 36Vi n 48Vin 75Vin 0.0 4.0 8.0 12.0 16.0 20.0 24.0 10 20 30 40 50 60 OUTPUT CURRENT(A) POWER DISSIPATIO N (W) 36Vin 48Vin 75Vin Figure 1: Efficiency vs.
DS_H48SR1R86 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 VOLTAGE ( V) EFFICIENCY (%) 36Vin 48Vin 75V in 0.0 4.0 8.0 12.0 16.0 20.0 24.0 0.8 1.0 1.2 1.4 1.6 1.8 OUTPUT VOLT AGE (V) POWER DISSI PATION (W) 36Vin 48Vin 75Vin Figure 5: Efficiency vs.
DS_H48SR1R86 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_H48SR1R86 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_H48SR1R86 0_06272006 THERMAL CURVES Figure 18: Hot spot location (unit in mm) Figure 1 9: Output current vs. ambient temperature and air velocity (Vin=48V / 75V, V out =0.8V ) Figure 20: Output current vs. ambient temperature and air velocity (Vin=48V / 75V, V out =1.
DS_H48SR1R86 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_H48SR1R86 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_H48SR1R86 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_H48SR1R86 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_H48SR1R86 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_H48SR1R86 0_06272006 PART NUMBERING SYSTEM H 48 S R 1R8 60 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.
An important point after buying a device Delta Electronics Series H48SR (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Delta Electronics Series H48SR yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Delta Electronics Series H48SR - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Delta Electronics Series H48SR you will learn all the available features of the product, as well as information on its operation. The information that you get Delta Electronics Series H48SR will certainly help you make a decision on the purchase.
If you already are a holder of Delta Electronics Series H48SR, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Delta Electronics Series H48SR.
However, one of the most important roles played by the user manual is to help in solving problems with Delta Electronics Series H48SR. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Delta Electronics Series H48SR along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
