Q48DW3R312NRFA Datasheet, PDF (3/14 Pages) Delta Electronics, Inc. – Delphi Series Q48DW, 45W Quarter Brick, Dual Output DC/DC Power Modules: 1.2V/13A and 3.3V/8A

ELECTRICAL CHARACTERISTICS CURVES
90
88
87
84
81
36Vin
48Vin
78
75
75Vin
72
85
82
48Vin
36Vin
79
75Vin
76
69
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
OUTPUT CURRENT(A)
Figure 1: Efficiency vs. load current Iout2 for minimum,
nominal, and maximum input voltage at 25°C, for Iout1=6A.
88
84
80
76
36Vin
48Vin
72
68
64
75Vin
60
56
10%
20%
30%
40% 50% 60% 70%
OUTPUT CURRENT(A)
80%
90% 100%
73
1.5
3.0
4.5
6.0
7.5
9.0
10.5
12.0
OUTPUT CURRENT(A)
Figure 2: Efficiency vs. load current Iout1 for minimum,
nominal, and maximum input voltage at 25°C, for Iout2=4A
8.00
7.50
7.00
36Vin
6.50
48Vin
6.00
75Vin
5.50
5.00
4.50
4.00
3.50
3.00
2.50
2.00
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
OUTPUT CURRENT(A)
Figure 3: Efficiency vs. load current Iout1 and Iout2 for
minimum, nominal, and maximum input voltage at 25°C, for
Iout1=Iout2
Figure 4: Power dissipation vs. load current for minimum,
nominal, and maximum input voltage at 25°C. for Iout1=Iout2
DS_Q48DW3R312_07202006
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