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Delta Electronics H48SR manual

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Table of contents for the manual

  • Page 1

    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, adjustable singl e output, isolated, open frame DC/DC conv erters a re the latest offering from a world leader in power syste ms technology and manufacturing ?[...]

  • Page 2

    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. Ty p. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Operating Device Temperatur e Tc -40 115 °C Storage T[...]

  • Page 3

    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. load cur rent for mi nimum, nominal, and maximum[...]

  • Page 4

    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. output voltage for minimu m, nominal,[...]

  • Page 5

    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 = 0.1A/µs). Load cap: 10µF, tantalum capacitor and 1µF ceramic capaci[...]

  • Page 6

    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). Figure 14: Input reflected ripple current, i s , through a 12µH source inductor at nominal in put voltage an[...]

  • Page 7

    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. Am bient Tem perature and Air Vel ocity @ Output Vo ltage 0.8V (Eith[...]

  • Page 8

    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. This power module is not internally fused. To a chieve optimum safety and s[...]

  • Page 9

    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. The voltage between the remote sense pins and the output terminals must not exceed the output voltage sen[...]

  • Page 10

    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(-). The TRIM pin should be left open if this feature is not used. Figure 24: Circuit configuratio[...]

  • Page 11

    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 50.8 ( 2.0” ) F ACING PWB PW B AIR VELOCIT Y AND AM BIE NT TEMPER AT URE MEASURED BE LOW THE MO DUL E Figure 27: Wind Tunnel Test Setup THERMAL CONSIDERATIONS Thermal management is an important p[...]

  • Page 12

    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 1.00mm (0.039?[...]

  • Page 13

    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- 1.8V 80- 80A N- Negative P- Positive R- 0.170” N- 0.145” K- 0.110” F- RoHS 6/6 (Lead Free) A[...]