Q48SA54001NNFH Datasheet, PDF (10/13 Pages) Delta Electronics, Inc. – Delphi Series Q48SA, 80W Quarter Brick Family DC/DC Power Modules: 36~75V in, 54V/1.5A out

THERMAL CURVES
Figure 20: Temperature measurement location
* The allowed maximum hot spot temperature is defined at 125℃
Q48SA54001 (standard) Output Current vs. Ambient Temperature and Air Velocity
Output Power(W)
@Vin=48V (Transverse Orientation)
Figure 22: Temperature measurement location
* The allowed maximum hot spot temperature is defined at 126℃
Q48SA54001 (standard) Output Current vs. Ambient Temperature and Air Velocity
Output Power(W)
@Vin=48V (Transverse Orientation,With Heatspreader)
80
80
70
Natural
70
Convection
60
60
100LFM
50
50
200LFM
40
40
Natural
Convection
100LFM
30
30
20
20
10
10
0
25
30
35
40
45
50
55
60
65
70
75
80
85
Ambient Temperature (℃)
0
25
30
35
40
45
50
55
60
65
70
75
80
85
Ambient Temperature (℃)
Figure 21: Output current vs. ambient temperature and air velocity Figure 23: Output current vs. ambient temperature and air velocity
@Vin=48V(Transverse Orientation, Openframe)
@Vin=48V(Transverse Orientation, With Heat spreader)
DS_Q48SA54001_05172013
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