Delta Electronics Series H48SV For Negative Remote On/Off Logic, For Positive Remote On/Off Logic

Page 4

For Negative Remote On/Off Logic

ELECTRICAL CHARACTERISTICS CURVES

For Negative Remote On/Off Logic

Figure 4: Turn-on transient at full rated load current (resistive

load) (2 ms/div).Vin=48V. Top Trace: Vout; 2V/div; Bottom

Trace: ON/OFF input: 5V/div

For Positive Remote On/Off Logic

Figure 5: Turn-on transient at zero load current (2 ms/div).

Vin=48V. Top Trace: Vout: 2V/div; Bottom Trace: ON/OFF input: 5V/div

Figure 6: Turn-on transient at full rated load current (resistive

load) (2 ms/div).Vin=48V. Top Trace: Vout; 2V/div; Bottom

Trace: ON/OFF input: 5V/div

Figure 7: Turn-on transient at zero load current (2 ms/div).

Vin=48V. Top Trace: Vout: 2V/div; Bottom Trace: ON/OFF input: 5V/div

4

Image 4

Contents FEATURES OPTIONSAPPLICATIONS DATASHEET DSH48SV0502008102007TECHNICAL SPECIFICATIONS INPUT CHARACTERISTICSOUTPUT CHARACTERISTICS DYNAMIC CHARACTERISTICSELECTRICAL CHARACTERISTICS CURVES For Negative Remote On/Off Logic For Positive Remote On/Off LogicFigure 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 SCOPE Copper StripLOAD Vin=48V OUTPUT VOLTAGELOAD 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=75VSafety Considerations Soldering and Cleaning ConsiderationsDESIGN CONSIDERATIONS Input Source ImpedanceFEATURES DESCRIPTIONS Over-Current ProtectionOver-Voltage Protection Over-Temperature ProtectionFEATURES DESCRIPTIONS CON Output Voltage Adjustment TRIMTHERMAL CONSIDERATIONS Thermal Testing SetupThermal Derating Pin Specification MECHANICAL DRAWINGName FunctionWARRANTY PART NUMBERING SYSTEMMODEL LIST EFF @ 100% LOAD