DS_E48SB12020_05222008
3
ELECTRICAL CHARACTERISTICS CURVES
90
91
92
93
94
95
96
97
3
6
9
12
15
18
21
24
Output Current (A)
E
ff
ici
en
cy (
%
)
38Vin
48Vin
55Vin
0
2
4
6
8
10
0
3
6
9
12
15
18
21
24
Output Current (A)
Lo
ss (
W
)
3 8 V i n
4 8 V i n
5 5 V i n
Figure 1:
Efficiency vs. load current for minimum, nominal, and
maximum input voltage at 25°C
Figure
2:
Power loss vs. load current for minimum, nominal,
and
maximum input voltage at 25°C.
2
4
6
8
10
12
14
0
3
6
9
12
15
18
21
24
27
Output Current (A)
O
u
tp
u
t V
o
ltag
e (
V
)
38Vin
48Vin
55Vin
17.00
18.00
19.00
20.00
21.00
22.00
23.00
38
40
42
44
46
48
50
52
54
56
Vin (V)
Ma
x I
o (
A
)
Figure 3:
Output voltage regulation vs load current showing
typical current limit
curves and converter shutdown points for
minimum, nominal, and maximum input voltage at room
temperature.
Figure 4:
Max output current vs input voltage.