BCM380y475x1K2A31
Application Characteristics
Product is mounted and temperature controlled via top side cold plate, unless otherwise noted. See associated figures for general trend data.
14
13
12
11
10
9
98.0
97.8
97.5
97.3
97.0
96.8
96.5
96.3
96.0
8
7
6
5
4
3
-40
-20
VIN:
0
20
40
60
80
100
260 275 290 305 320 335 350 365 380 395 410
Input Voltage (V)
Case Temperature (ºC)
260 V
380 V
410 V
TTOP SURFACE CASE
:
- 40°C
25°C
80°C
Figure 4 — No load power dissipation vs. VIN
Figure 5 — Full load efficiency vs. temperature; VIN
100
48
100
48
40
32
24
16
8
η
98
96
94
92
90
88
η
40
32
24
16
8
98
96
PD
PD
94
92
90
88
0
0
0.0 2.6 5.1 7.7 10.3 12.9 15.4 18.0 20.6 23.1 25.7
0.0 2.6 5.1 7.7 10.3 12.9 15.4 18.0 20.6 23.1 25.7
Load Current (A)
Load Current (A)
260 V
380 V
410 V
VIN
:
VIN :
260 V
380 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
100
98
96
94
92
90
88
48
40
32
24
16
8
η
PD
0
0.0 2.6 5.1 7.7 10.3 12.9 15.4 18.0 20.6 23.1 25.7
-40
-20
0
20
40
60
80
100
Load Current (A)
Case Temperature (°C)
VIN
:
260 V
380 V
410 V
IOUT
:
25.7 A
Figure 8 — Efficiency and power dissipation at TCASE = 80°C
Figure 9 — ROUT vs. temperature; Nominal VIN
BCM® Bus Converter
Page 12 of 23
Rev 1.4
05/2015
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