Delta Electronics H48SR - Manual (Page 3)

DS_H48SR1R880_06272006
3
ELECTRICAL CHARACTERISTICS CURVES
60
65
70
75
80
85
90
95
10 20 30 40 50 60 70 80
OUTPUT CURRENT (A)
EFFI
CI
ENT (
%
)
36Vin 48Vin 75Vin
0.0
4.0
8.0
12.0
16.0
20.0
24.0
10 20 30 40 50 60 70 80
OUTPUT CURRENT(A)
P
O
WE
R
D
IS
S
IP
A
T
ION
(W)
36Vin 48Vin 75Vin
Figure 1: Efficiency vs. load current for minimum, nominal, and
maximum input voltage at 25°C. (Vout=1.8V)
Figure 2: Power dissipation vs. load current for minimum,
nominal, and maximum input voltage at 25°C. (Vout=1,8V)
60
65
70
75
80
85
90
10 20 30 40 50 60 70 80
OUTPUT CURRENT (A)
EFFI
CI
ENT (
%
)
36Vin 48Vin 75Vin
0.0
4.0
8.0
12.0
16.0
20.0
24.0
10 20 30 40 50 60 70 80
OUTPUT CURRENT(A)
P
O
WE
R
D
IS
S
IP
A
T
ION
(W) 36Vin 48Vin 75Vin
Figure 3: Efficiency vs. load current for minimum, nominal, and
maximum input voltage at 25°C. (Vout=0.8V)
Figure 4: Power dissipation vs. load current for minimum,
nominal, and maximum input voltage at 25°C. (Vout=0.8V)