Delta Electronics F48SA 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 3: Turn-on transient at full rated load current (resistive	Figure 4: Turn-on transient at minimum load current
load). CH3: Vout;5V/div; CH1: ON/OFF input: 5V/div	. CH3: Vout: 5V/div; CH1: ON/OFF input:5V/div

For Positive Remote On/Off Logic

Figure 5: Turn-on transient at full rated load current (resistive	Figure 6: Turn-on transient at minimum load current
load) (10ms/div). Top Trace: Vout; 5V/div; Bottom Trace:	(10ms/div). Top Trace: Vout: 5V/div; Bottom Trace: ON/OFF
ON/OFF input: 2V/div	input: 2V/div

DS_F48SA28025_12072007

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Contents FEATURES OPTIONSAPPLICATIONS DATASHEET DSF48SA2802512072007TECHNICAL SPECIFICATIONS INPUT CHARACTERISTICSOUTPUT CHARACTERISTICS DYNAMIC CHARACTERISTICSELECTRICAL CHARACTERISTICS CURVES 36Vin48Vin 75VinFor Negative Remote On/Off Logic For Positive Remote On/Off LogicFigure 7 Output voltage response to step-change in load Figure 12 Output voltage noise and ripple measurement test setup Figure 13 Output voltage ripple at nominal input voltage and rated load current 100 mV/div. Load capacitance470uF aluminum, 1µF ceramic capacitor and 10µFlow ESR capacitor. Bandwidth 20 MHz. Scope measurement should be made using a BNC cable length shorter than 20 inches. Position the load between 51 mm to 76 mm 2 inches to 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 DRAWINGPin No NameWARRANTY PART NUMBERING SYSTEMMODEL LIST MODEL NAME