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DS_S48SA1R812_06012006
ELECTRICAL CHARACTERISTICS CURVES
55
60
65
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75
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85
90
95
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OUTPUT CURRENT (A)
EFFICIENCY (%)
36Vin
48Vin
75Vin
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
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OUTPUT CURRENT (A)
POWER DISSIPATION (W)
36Vin
48Vin
75Vin
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.
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
30 35 40 45 50 55 60 65 70 75
INPUT VOLTAGE (V)
INPUT CURRENT (A)
Io=12A
Io=7.2A
Io=1.2A
Figure 3: Typical input characteristics at room temperature. Figure 4: Turn-on transient at full rated load current (1 ms/div).
Top Trace: Vout (500mV/div); Bottom Trace: ON/OFF Control
(5V/div).
3