BCM48B120300A00 Datasheet, PDF (6/18 Pages) Vicor Corporation – Fixed Ratio DC-DC Converter

BCM48Bx120y300A00
5.0 APPLICATION CHARACTERISTICS
The following values, typical of an application environment, are collected at T_C = 25ºC unless otherwise noted. See associated figures
for general trend data.
No Load Power Dissipation vs. Line
12
11
10
9
8
7
6
5
4
38 40 42 44 46 47 49 51 53 55
Input Voltage (V)
-40°C
25°C
100°C
Full Load Efficiency vs. T_CASE
96.5
96.0
95.5
95.0
94.5
94.0
-40 -20
0
20
40
60
80
100
Case Temperature (°C)
V_IN :
38 V
48 V
55 V
Figure 2 — No load power dissipation vs. V_IN
Figure 3 — Full load efficiency vs. temperature; V_IN
Efficiency & Power Dissipation -40°C Case
97
30
92
η
25
87
20
82
PD
15
77
10
72
5
67
0
V_IN:
5
38 V
0
10
15
20
25
Load Current (A)
48 V
55 V
38 V
48 V
55 V
Figure 4 — Efficiency and power dissipation at T_C = -40°C
Efficiency & Power Dissipation 25°C Case
98
24
η
93
18
88
12
PD
83
6
78
0
0
5
10
15
20
25
Load Current (A)
V_IN:
38 V
48 V
55 V
38 V
48 V
55 V
Figure 5 — Efficiency and power dissipation at T_C = 25°C
Efficiency & Power Dissipation 100°C Case
98
24
93
η
18
88
12
PD
83
6
78
0
0
5
10
15
20
25
Load Current (A)
V_IN:
38 V
48 V
55 V
38 V
48 V
55 V
R_OUT vs. T_CASE at V_IN = 48 V
14
12
10
8
6
4
-40
-20
0
20
40
60
80
100
Case Temperature (°C)
I_OUT :
12.5 A
25 A
BCM^® Bus Converter
Page 6 of 18
Rev 1.7
07/2015
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