Delta Electronics Q48SR - Manual (Page 3)

3
ELECTRICAL CHARACTERISTICS CURVES
60
65
70
75
80
85
90
95
10 20 30 40 50
OUTPUT CURRENT (A)
EF
F
ICI
ENCY (%)
36Vin 48Vin 75Vin
0.0
4.0
8.0
12.0
16.0
20.0
24.0
10 20 30 40 50
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. (Vout=3.3V)
Figure 2: Power dissipation vs. load current for minimum,
nominal, and maximum input voltage at 25°C. (Vout=3.3V)
60
65
70
75
80
85
90
95
10 20 30 40 50
OUTPUT CURRENT (A)
E
FFICIE
NCY
(%)
36Vin 48Vin 75Vin
0.0
4.0
8.0
12.0
16.0
20.0
24.0
10 20 30 40 50
OUTPUT CURRENT(A)
POW
E
R
D
ISSIPATION
(
W
)
36Vin 48Vin 75Vin
Figure 3: Efficiency vs. load current for minimum, nominal, and
maximum input voltage at 25°C. (Vout=1.7V)
Figure 4: Power dissipation vs. load current for minimum,
nominal, and maximum input voltage at 25°C. (Vout=1.7V)