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Q48SE12033PRFN Datasheet(PDF) 10 Page - Delta Electronics, Inc. |
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Q48SE12033PRFN Datasheet(HTML) 10 Page - Delta Electronics, Inc. |
10 / 14 page DS_Q48SE12033_06242013 E-mail: DCDC@delta.com.tw http://www.deltaww.com/dcdc P10 THERMAL CURVES (WITH HEAT SPREADER) Figure 20: * Hot spot 2 temperature measured point. The allowed maximum hot spot 2 temperature is defined at 108 ℃ Figure 21: Output current vs. ambient temperature and air velocity @Vin=48V(Transverse Orientation, airflow from Vin+ to Vin-,with heat spreader) AIRFLOW HOT SPOT 2 0 3 6 9 12 15 18 21 24 27 30 33 25 30 35 40 45 50 55 60 65 70 75 80 85 Output Current(A) Ambient Temperature (℃) Q48SE12033(Standard) Output Current vs. Ambient Temperature and Air Velocity @Vin = 48V (Transverse Orientation, With Heatspreader) Natural Convection 100LFM 200LFM 300LFM 400LFM 600LFM 500LFM THERMAL CURVES (WITHOUT HEAT SPREADER) Figure 18: * Hot spot 1& NTC resistor temperature measured points. The allowed maximum hot spot 1 temperature is defined at 117 ℃ Figure 19: Output current vs. ambient temperature and air velocity @Vin=48V(Transverse Orientation, airflow from Vin+ to Vin-,without heat spreader) AIRFLOW NTC RESISTOR HOT SPOT 1 0 3 6 9 12 15 18 21 24 27 30 33 25 30 35 40 45 50 55 60 65 70 75 80 85 Output Current(A) Ambient Temperature (℃) Q48SE12033(Standard) Output Current vs. Ambient Temperature and Air Velocity @Vin = 48V (Transverse Orientation) Natural Convection 100LFM 200LFM 300LFM 400LFM 600LFM 500LFM |
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