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Q48SB10828NRFA Datasheet, PDF (8/11 Pages) Delta Electronics, Inc. – Delphi Series Q48SB, 300W Bus Converter DC/DC Power Modules: 48V in, 9.6V/31A out
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THERMAL CURVES
Q48SB10828NR (Standard) Output Current vs. Ambient Temperature and Air Velocity
@ Vin=48V (Transverse Orientation, With Heat spreader)
Output Current (A)
35
30
25
Natural
Convection
20
100LFM
15
200LFM
10
300LFM
5
400LFM
500LFM
600LFM
0
25
35
45
55
65
75
85
Ambient Temperature (℃)
Figure 18: Output current vs. ambient temperature and air
velocity @Vin=48V(Transverse Orientation, with heat spreader)
Q48SB10828NR (Standard) Output Current vs. Ambient Temperature and Air Velocity
Output Current (A)
35
@ Vin=48V (Longitudinal Orientation, With Heat spreader)
30
25
Natural
Convection
20
100LFM
15
200LFM
10
300LFM
5
400LFM
500LFM
600LFM
0
25
35
45
55
65
75
85
Ambient Temperature (℃)
Figure 19: Output current vs. ambient temperature and air
velocity @Vin=48V(Longitudinal Orientation, with heat spreader)
DS_Q48SB10828_11062006
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