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Figure 7: Typical input characteristics at room temperature Figure 8: Turn-on transient at full rated load current (resistive
load) (5 ms/div). Top Trace: Vout; 1V/div; Bottom Trace:
ON/OFF input: 2V/div
0.0
0.5
1.0
1.5
2.0
2.5
3.0
30 35 40 45 50 55 60 65 70 75
INPUT VOLTAGE (V)
INPUT CURREN (A)
Io=40A Io=24A Io=4A
Figure 5: Efficiency vs. output voltage for minimum, nominal,
and maximum input voltage at 25°C. (Iout=40A)
Figure 6: Power dissipation vs. output voltage for minimum,
nominal, and maximum input voltage at 25°C. (Iout=40A)
75
77
79
81
83
85
87
89
91
93
95
0.8 1.0 1.2 1.4 1.6 1.8
OUTPUT VOLTAGE (V)
EFFICIENCY (%)
36Vin 48Vin 75Vin
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
0.8 1.0 1.2 1.4 1.6 1.8
OUTPUT VOLTAGE (V)
POWER DISSIPATION (W)
36Vin 48Vin 75Vin
ELECTRICAL CHARACTERISTICS CURVES