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ELECTRICAL CHARACTERISTICS CURVES
Figure 3: Typical input characteristics at room temperature. Figure 4: Turn-on transient at full rated load current (resistive
load) (2 ms/div). Top Trace: Vout (1V/div); Bottom Trace:
ON/OFF Control (2V/div).
3
Figure 1: Efficiency vs. load current for minimum, nominal, and
maximum input voltage at 25
°C.
Figure 2: Power dissipation vs. load current for minimum,
nominal, and maximum input voltage at 25
°C.
0.00
0.20
0.40
0.60
0.80
1.00
15 20 25 30 35 40 45 50 55 60
INPUT V OLTA GE ( V)
INPUT CURRENT (A)
Io=4.5A
I0=2.7A
Io=0.45
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0.5 1 1.5 2 2.5 3 3.5 4 4.5
OUTPUT CURRENT(A)
POWER DISSIPATION (W)
18Vin
24Vin
48Vin
60Vin
50
55
60
65
70
75
80
85
90
0.5 1 1.5 2 2.5 3 3.5 4 4.5
OUTPUT CURRENT (A)
EFFICIENCY (%)
18Vin
24Vin
48Vin
60Vin