Delta Electronics H48SA12025, Datasheet, Page: 3 / 14

DS_H48SA12025_05052008
ELECTRICAL CHARACTERISTICS CURVES
60
65
70
75
80
85
90
95
5 10 15 20 25
OUTPUT CURRENT (A)
EF
F
IC
IEN
C
Y
(
%
)
36Vin
75Vin
48Vin
0
5
10
15
20
25
30
0 5 10 15 20 25
OUTPUT CURRENT (A)
PO
W
E
R
D
ISSI
PAT
IO
N
(
W
)
36Vin
48Vin
75Vin
Figure 1:
Efficiency vs. load current for minimum, nominal, and
maximum input voltage at 25°C. Vout=12V.
Figure 2:
Power dissipation vs. load current for minimum,
nominal, and maximum input voltage at 25°C. Vout=12V.
60
65
70
75
80
85
90
95
5 10 15 20 25
OUTPUT CURRENT (A)
EF
F
IC
IEN
C
Y
(
%
)
36Vin
75Vin
48Vin
0
5
10
15
20
25
30
0 5 10 15 20 25
OUTPUT CURRENT (A)
PO
W
E
R
D
ISSI
PAT
IO
N
(
W
)
36Vin
48Vin
75Vin
Figure 3:
Efficiency vs. load current for minimum, nominal, and
maximum input voltage at 25°C. Vout=9.6V.
Figure 4:
Power dissipation vs. load current for minimum,
nominal, and maximum input voltage at 25°C. Vout=9.6V.
3