Delta Electronics Series H48SA - Manual (Page 4)

DS_H48SA12025_05052008
4
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)
P
O
W
E
R DI
S
S
IP
A
T
IO
N
(
W
)
36Vin
48Vin
75Vin
Figure 5: Efficiency vs. output voltage for minimum, nominal,
and maximum input voltage at 25°C, Vout=13.2V.
Figure 6: Power dissipation vs. output voltage for minimum,
nominal, and maximum input voltage at 25°C, Vout=13.2V.
0
2
4
6
8
10
12
30.0 31.3 33.6 35.0 40.0 45.0 50.0 55.0 60.0 65.0 70.0 75.0
Output Current (A)
O
ut
put
V
ol
tage
(V
)
Figure 7: Typical input characteristics at room temperature. Figure 8: Turn-on transient at full rated load current, 4ms/div:
Top Trace: Vout, 5V/div; Bottom Trace: ON/OFF input, 5V/div.
0
0