BCM380X475Y800A3Z Datasheet, PDF (14/25 Pages) Vicor Corporation – Fixed Ratio DC-DC Converter

BCM380x475y800A3z
Application Characteristics
Product is mounted and temperature controlled via top side cold plate, unless otherwise noted. All data presented in this section are collected data form
primary sourced units processing power in forward direction.See associated figures for general trend data.
15
14
13
12
11
10
9
8
7
6
5
4
3
260 275 290 305 320 335 350 365 380 395 410
Input Voltage (V)
T : _{TOP SURFACE CASE}
- 40°C
25°C
90°C
Figure 4 — No load power dissipation vs. V_{PRI_DC}
98.0
97.5
97.0
96.5
96.0
-40
-20
0
20
40
60
80
100
Case Temperature (ºC)
V_PRI:
260 V
380 V
410 V
Figure 5 — Full load efficiency vs. temperature; V_{PRI_DC}
98
45
96
40
94
35
92
30
90
88
P_D
25
20
86
15
84
10
82
5
80
0
0.0 1.8 3.5 5.3 7.0 8.8 10.5 12.3 14.0 15.8 17.5
Secondary Output Current (A)
V_PRI :
260 V
380 V
410 V
Figure 6 — Efficiency and power dissipation at T_CASE = -40°C
98
45
96
40
94
35
92
30
90
88
P_D
25
20
86
15
84
10
82
5
80
0
0.0 1.8 3.5 5.3 7.0 8.8 10.5 12.3 14.0 15.8 17.5
Secondary Output Current (A)
V_PRI :
260 V
380 V
410 V
Figure 7 — Efficiency and power dissipation at T_CASE = 25°C
98
45
96
40
94
35
92
30
90
25
88
P_D
20
86
15
84
10
82
5
80
0
0.0 1.8 3.5 5.3 7.0 8.8 10.5 12.3 14.0 15.8 17.5
Seondary Output Current (A)
V_PRI:
260 V
380 V
410 V
Figure 8 — Efficiency and power dissipation at T_CASE = 90°C
BCM^® Bus Converter
Page 14 of 25
Rev 1.2
07/2015
50
40
30
20
10
0
-40 -20
0
20
40
60
80 100
Case Temperature (°C)
V_{SEC_DC}:
17.5 A
Figure 9 — R_SEC vs. temperature; Nominal V_{PRI_DC}
I_{SEC_DC} = 17.5 A at T_CASE = 90°C
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