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

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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

DS_H48SV05030_08102007

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Contents FEATURES OPTIONSAPPLICATIONS DATASHEET DSH48SV0503004262006TECHNICAL 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 10A/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 Figure 13 Output voltage noise and ripple measurement test setup Figure 14 Output voltage ripple at nominal input voltage Vin=48V and rated load current Io=30A 20 mV/div. Load capacitance 1µF ceramic capacitor and 10µF tantalum capacitor. Bandwidth 20 MHz. Scope measurement should be made using a BNC cable length shorter than 20 inches. Position the load between 51 mm and 76 mm 2 inches and 3 inches from the module Safety Considerations Soldering and Cleaning ConsiderationsDESIGN CONSIDERATIONS Input Source ImpedanceFEATURES DESCRIPTIONS Over-Current ProtectionOver-Voltage Protection Over-Temperature ProtectionFEATURES DESCRIPTIONS CON Output Voltage Adjustment TRIMThermal Testing Setup THERMAL CONSIDERATIONSTHERMAL CURVES Thermal DeratingPin Specification MECHANICAL DRAWINGName FunctionWARRANTY PART NUMBERING SYSTEMMODEL LIST EFF @ 100% LOAD