Not Recommended for New Designs
B048x160y24A
5.0 APPLICATION CHARACTERISTICS
The following values, typical of an application environment, are collected at TC = 25ºC unless otherwise noted. See associated figures
for general trend data.
Full Load Efficiency vs.TCASE
No Load Power Dissipation vs. Line
9
8
7
6
5
4
3
2
1
96
96
95
95
94
38
40
42
44
Input Voltage (V)
-40°C 25°C
46
47
49
51
53
55
-40
-20
0
20
Case Temperature (°C)
38 V 48 V
40
60
80
100
100°C
V
:
55 V
IN
Figure 2 — No load power dissipation vs. VIN
Figure 3 — Full load efficiency vs. temperature; VIN
Efficiency & Power Dissipation -40°C Case
Efficiency & Power Dissipation 25°C Case
97
94
91
88
85
82
79
76
73
70
27
24
21
18
15
12
9
97
94
91
88
85
82
79
76
73
70
27
24
21
18
15
12
9
6
6
PD
PD
3
3
0
0
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
Load Current (A)
Load Current (A)
38 V
48 V
55 V
38 V
48 V
55 V
38 V
48 V
55 V
38 V
48 V
55 V
VIN:
VIN:
Figure 4 — Efficiency and power dissipation at TC = -40°C
Figure 5 — Efficiency and power dissipation at TC = 25°C
Efficiency & Power Dissipation 100°C Case
ROUT vs.TCASE at VIN = 48 V
40
97
27
24
21
18
15
12
9
94
91
88
85
82
79
76
36
32
28
24
20
6
PD
73
3
70
0
-40
-20
0
20
40
60
80
100
0
2
4
6
8
10
12
14
16
Load Current (A)
Case Temperature (°C)
Full Load
38 V
48 V
55 V
38 V
48 V
55 V
VIN:
Figure 7 — ROUT vs. temperature
Figure 6 — Efficiency and power dissipation at TC = 100°C
BCM® Bus Converter
Page 6 of 18
Rev 1.0
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01/2014
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