Delta Electronics Q48DR manual Turn-on transient at zero load current 2ms/div

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ELECTRICAL CHARACTERISTICS CURVES

Vout2	Vout2
Vout1	Vout1
Vout1

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

Vin=48V. Negative logic turn on. Top Trace: Vout; 1V/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. Negative logic turn on. Top Trace: Vout; 1V/div; Bottom Trace: ON/OFF input: 5V/div

Vout2

Vout2

Vout1

Vout1

Figure 7: Turn-on transient at zero load current (2ms/div).	Figure 8: Turn-on transient at full load current (2ms/div).
Vin=48V. Positive logic turns on. Top Trace: Vout; 1V/div;	Vin=48V. Positive logic turns on. Top Trace: Vout; 1V/div;
Bottom Trace: ON/OFF input: 5V/div	Bottom Trace: ON/OFF input: 5V/div

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DS_Q48DR1R533_03152007

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Contents Features Parameter Q48DR1R533NRFA Electrical Characteristics Curves Efficiency vs. load current Iout1 and Iout2 forTurn-on transient at zero load current 2ms/div Typical full load input characteristics at room temperature Ch1 Scope Resistiv Electrical Characteristics Curves Design Considerations Input Source ImpedanceFeatures Descriptions Features Descriptions CON 70.2 31.2 18.2 11.7 867Thermal Testing Setup Thermal ConsiderationsThermal Curves Thermal DeratingMechanical Drawing Pin No Name FunctionPart Numbering System Model List