B048X060Y24A Datasheet, PDF (6/18 Pages) Vicor Corporation – Unregulated DC-DC Converter

Not Recommended for New Designs
B048x060y24A
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
8
7
6
5
4
3
2
1
0
38 40 42 44 46 47 49 51 53 55
Input Voltage (V)
T_CASE:
-40 °C
25 °C
100 °C
Full Load Efficiency vs. T_CASE
96
95
94
93
-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
25
92
20
87
15
82
77
0
5
V_IN:
38 V
10
P_D
10 15 20 25 30 35
Load Current (A)
48 V
55 V
38 V
48 V
5
0
40
55 V
Figure 4 — Efficiency and power dissipation at T_C = -40°C
Efficiency & Power Dissipation 25 °C Case
97
30
25
92
20
87
15
82
77
0
5
V_IN:
38 V
10
P_D
5
0
10 15 20 25 30 35 40
Load Current (A)
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
97
30
25
92
20
87
15
82
77
0
5
V_IN:
38 V
P_D
10 15 20 25 30
Load Current (A)
48 V
55 V
38 V
10
5
0
35 40
48 V
55 V
Figure 6 — Efficiency and power dissipation at T_C = 100°C
R_OUT vs. T_CASE at V_IN = 48 V
6.5
6.0
5.5
5.0
4.5
4.0
3.5
-40
-20
0
20
40
60
Case Temperature (°C)
I_OUT :
47 A
80
100
Figure 7 — R_OUT vs. temperature
BCM^® Bus Converter
Page 6 of 18
Rev 1.0
01/2014
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