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Q48SE12025PKFH Datasheet(PDF) 10 Page - Delta Electronics, Inc. |
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Q48SE12025PKFH Datasheet(HTML) 10 Page - Delta Electronics, Inc. |
10 / 14 page DS_Q48SE12025_06242013 10 THERMAL CURVES (WITH HEAT SPREADER) AIRFLOW HOT SPOT 2 Figure 20: * Hot spot 2 temperature measured point. The allowed maximum hot spot 2 temperature is defined at 112 ℃ 0 5 10 15 20 25 25 30 35 40 45 50 55 60 65 70 75 80 85 Output Current(A) Ambient Temperature (℃) Q48SE12025(Standard) Output Current vs. Ambient Temperature and Air Velocity @Vin = 48V (Transverse Orientation,With Heatspreader) Natural Convection 100LFM 200LFM 300LFM 400LFM 500LFM 600LFM Figure 21: Output current vs. ambient temperature and air velocity @Vin=48V(Transverse Orientation, airflow from Vin+ to Vin-,with heat spreader) THERMAL CURVES (WITHOUT HEAT SPREADER) AIRFLOW NTC RESISTOR HOT SPOT 1 Figure 18: * Hot spot 1& NTC resistor temperature measured points. The allowed maximum hot spot 1 temperature is defined at 118 ℃ 0 5 10 15 20 25 25 30 35 40 45 50 55 60 65 70 75 80 85 Output Current(A) Ambient Temperature (℃) Q48SE12025(Standard) Output Current vs. Ambient Temperature and Air Velocity @Vin = 48V (Transverse Orientation) Natural Convection 100LFM 200LFM 300LFM 400LFM 500LFM 600LFM Figure 19: Output current vs. ambient temperature and air velocity @Vin=48V(Transverse Orientation, airflow from Vin+ to Vin-,without heat spreader) |
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