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DS_Q48DC12003_03112008
3
ELECTRICAL CHARACTERISTICS CURVES
60
63
66
69
72
75
78
81
84
87
90
0.3 0.7 1.1 1.5 1.9 2.3 2.7
OUTPUT CURRENT(A)
EFFICIENCY (%) 1
48Vin
75Vin
36Vin
3.0
3.8
4.6
5.4
6.2
7.0
7.8
8.6
9.4
10.2
0.3 0.7 1.1 1.5 1.9 2.3 2.7
OUTPUT CURRENT(A)
POWER DISSIPATION(W) 1
36Vin
48Vin
75Vin
Figure 1: Efficiency vs. load current for minimum, nominal, and
maximum input voltage at 25
°C. Io1=Io2.
Figure 2: Power dissipation vs. load current for minimum,
nominal, and maximum input voltage at 25
°C. Io1=Io2.
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.9
2.1
2.3
2.5
25 30 35 40 45 50 55 60 65 70 75
INPUT V OLTAGE ( V)
INPUT CURRENT (A) 1
Figure 3: Typical input characteristics at room temperature
(Io=full load).