Delta-electronics H48SR User Manual

DATASHEET DS_H48SR1R880_06272006 Delta Electronics, Inc.Delphi Series H48SR, 200W Half Brick Family DC/DC Power Modules: 48V in, 1.8V/80A out The

DS_H48SR1R880_06272006 FEATURES DESCRIPTIONS (CON.) Output Voltage Adjustment (TRIM) To increase or decrease the output voltage set point, the modu

DS_H48SR1R880_06272006 11 Note: Wind Tunnel Test Setup Figure Dimensions are in millimeters and (Inches)12.7 (0.5”)MODULEAIR FLOW 50.8 (2.0”)FACING

DS_H48SR1R880_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 in

DS_H48SR1R880_06272006 PART NUMBERING SYSTEM H 48 S R 1R8 80 N R F A Form Factor Input Voltage Number of Outputs Product Series Output VoltageOut

DS_H48SR1R880_06272006 2 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES an

DS_H48SR1R880_06272006 3 ELECTRICAL CHARACTERISTICS CURVES 606570758085909510 20 30 40 50 60 70 80OUTPUT CURRENT (A)EFFICIENT (%)36Vin 48Vin 75Vin0.04

DS_H48SR1R880_06272006 ELECTRICAL CHARACTERISTICS CURVES 76788082848688900.8 1.0 1.2 1.4 1.6 1.8OUTPUT VOLTAGE (V)EFFICIENCY (%)36Vin 48Vin 75Vin10.01

DS_H48SR1R880_06272006 ELECTRICAL CHARACTERISTICS CURVES Figure 9: Turn-on transient at zero load current (2 ms/div).Top Trace: Vout: 1V/div; Bottom

DS_H48SR1R880_06272006 6 ELECTRICAL CHARACTERISTICS CURVES Figure 13: Input Terminal Ripple Current, ic, at full rated output current and nominal i

DS_H48SR1R880_06272006 Figure 20: Output current vs. ambient temperature and air velocity (Vin=48V / 75V, Vout=1.8V ) Figure 21: Power dissipation vs.

DS_H48SR1R880_06272006 8 Do not ground one of the input pins without grounding one of the output pins. This connection may allow a non-SELV voltage

DS_H48SR1R880_06272006 9 Vo(+)Vi(+)Vo(-)Sense(-)Sense(+)Vi(-)ON/OFF Figure 22: Remote on/off implementation Remote Sense Remote sense compensates