BCM400x500y1K8A3z
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.
17
16
15
14
13
12
11
10
9
98.0
97.8
97.5
97.3
97.0
96.8
96.5
96.3
96.0
95.8
95.5
8
7
6
5
4
3
-40
-20
0
20
40
60
80
100
260 275 290 305 320 335 350 365 380 395 410
Primary Input Voltage (V)
Case Temperature (ºC)
TTOP SURFACE CASE
:
- 40°C
25°C
80°C
VPRI:
260 V
400 V
410 V
Figure 4 — No load power dissipation vs. VPRI_DC
Figure 5 — Full load efficiency vs. temperature; VPRI_DC
99
98
97
96
72
64
56
48
40
32
24
16
8
99
98
97
96
95
88
80
72
64
56
48
40
32
24
16
8
PD
95
94
93
92
91
90
94
PD
93
92
91
90
89
88
0
0
0.0 3.5 7.0 10.5 14.0 17.5 21.0 24.5 28.0 31.5 35.0
0.0 3.5 7.0 10.5 14.0 17.5 21.0 24.5 28.0 31.5 35.0
Load Current (A)
Secondary Output Current (A)
260 V
400 V
410 V
VPRI
:
VPRI
:
260 V
400 V
410 V
Figure 6 — Efficiency and power dissipation at TCASE = -40°C
Figure 7 — Efficiency and power dissipation at TCASE = 25°C
50
40
30
20
10
0
99
98
97
96
95
94
93
92
91
90
72
64
56
48
40
32
24
16
8
PD
0
0.0 3.5 7.0 10.5 14.0 17.5 21.0 24.5 28.0 31.5 35.0
-40
-20
0
20
40
60
80
100
Secondary Output Current (A)
Case Temperature (°C)
VPRI
:
260 V
400 V
410 V
ISEC_OUT
:
35 A
Figure 8 — Efficiency and power dissipation at TCASE = 80°C
Figure 9 — RSEC vs. temperature; Nominal VPRI_DC
ISEC_DC = 24 A at TCASE = 80°C
BCM® Bus Converter
Page 14 of 25
Rev 1.4
07/2015
vicorpower.com
800 927.9474