BCM384x120y800ACz
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
98.0
97.5
97.0
96.5
96.0
4
3
260 277 293 310 327 343 360 377 393
410
-40
-20
0
20
40
60
80
100
Primary Input Voltage (V)
Case Temperature (ºC)
TTOP SURFACE CASE
:
- 40°C
25°C
90°C
VPRI
:
260 V
384 V
410 V
Figure 4 — No load power dissipation vs. VPRI_DC
Figure 5 — Full load efficiency vs. temperature; VPRI_DC
98
96
94
92
54
98
96
94
92
54
48
42
36
30
24
18
12
6
48
42
36
30
24
18
12
6
PD
PD
90
88
86
84
82
80
90
88
86
84
82
80
0
0
0.0 6.8 13.6 20.4 27.2 34.0 40.8 47.6 54.4 61.2 68.0
0.0 6.8 13.6 20.4 27.2 34.0 40.8 47.6 54.4 61.2 68.0
Secondary Output Current (A)
Secondary Output Current (A)
VPRI
:
260 V
384 V
410 V
260 V
384 V
410 V
VPRI
:
Figure 6 — Efficiency and power dissipation at TCASE = -40°C
Figure 7 — Efficiency and power dissipation at TCASE = 25°C
3
98
96
94
92
90
88
86
84
82
80
54
48
42
36
30
24
18
12
6
2
1
0
PD
0
0.0 6.8 13.6 20.4 27.2 34.0 40.8 47.6 54.4 61.2 68.0
-40
-20
0
20
40
60
80
100
Secondary Output Current (A)
Case Temperature (°C)
VPRI
:
260 V
384 V
410 V
ISEC_OUT
:
68 A
Figure 8 — Efficiency and power dissipation at TCASE = 90°C
Figure 9 — RSEC vs. temperature; Nominal VPRI_DC
ISEC_DC = 66.67 A at TCASE = 90°C
BCM® Bus Converter
Page 14 of 25
Rev 1.2
07/2015
vicorpower.com
800 927.9474
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