Thermal Considerations | Delta Electronics Series H48SV specification

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Delta Electronics Series H48SV manual Thermal Considerations, Thermal Derating, Thermal Testing Setup

Contents

FEATURES OPTIONSAPPLICATIONS DATASHEET DSH48SV0502008102007 TECHNICAL SPECIFICATIONS INPUT CHARACTERISTICSOUTPUT CHARACTERISTICS DYNAMIC CHARACTERISTICS ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On/Off Logic For Positive Remote On/Off Logic 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. Top trace Vout 100mV/div, Bottom trace Iout 5A/div. Scope measurement should be made using a BNC cable length shorter than 20 inch. Position the load between 51 mm and 76 mm 2 inches and 3 inches from the module Copper Strip SCOPELOAD OUTPUT VOLTAGE Vin=48VLOAD CURRENT A THERMAL CURVES NO HEATSINK Figure 19 Power dissipation vs. ambient temperature and airFigure 18 Output current vs. ambient temperature and air velocity V in=75V Safety Considerations Soldering and Cleaning ConsiderationsDESIGN CONSIDERATIONS Input Source Impedance FEATURES DESCRIPTIONS Over-Current ProtectionOver-Voltage Protection Over-Temperature Protection FEATURES DESCRIPTIONS CON Output Voltage Adjustment TRIM Thermal Testing Setup THERMAL CONSIDERATIONSThermal Derating Pin Specification MECHANICAL DRAWINGName Function WARRANTY PART NUMBERING SYSTEMMODEL LIST EFF @ 100% LOAD