Delta Electronics Delphi Series S48SS Datasheet page 3

ELECTRICAL CHARACTERISTICS CURVES
90
36Vin
85
80
75
70
65
60
0.25
Figure 1: Efficiency vs. load current for minimum, nominal, and
maximum input voltage at 25
0.6
0.5
0.4
0.3
0.2
0.1
0.0
30 35
Figure 3: Typical input characteristics at room temperature.
DS_s48SS12001_06082006
48Vin 75Vin
0.5 0.75 1
OUTPUT CURRENT (A)
C.
°
Io=1.25A Io=0.75A
Io=0.125A
40 45 50 55 60 65
INPUT VOLTAGE (V)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1.25
0.25
Figure 2: Power dissipation vs. load current for minimum,
nominal, and maximum input voltage at 25
70 75
Figure 4: Turn-on transient at full rated load current (resistive
load) (10 ms/div). Top Trace: Vout (5V/div); Bottom Trace:
ON/OFF Control (2V/div).
36Vin 48Vin 75Vin
0.5 0.75 1
OUTPUT CURRENT (A)
C.
°
1.25
3