BCM400y500x1K8A31
2000
1800
1600
1400
1200
1000
800
600
400
200
0
35
45
55
65
75
85
95
105
115
125
Case Temperature (°C)
One side cooling
One side cooling and leads
Double Sided cooling and leads
Figure 1 — Specified thermal operating area
2100
2000
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
900
42
40
38
36
34
32
30
28
26
24
22
20
18
16
800
700
260 275 290 305 320 335 350 365 380 395 410
260 275 290 305 320 335 350 365 380 395 410
Input Voltage (V)
Input Voltage (V)
I (ave)
I (pk), t < 10 ms
P (ave)
P (pk), t < 10 ms
Figure 2 — Specified electrical operating area using rated ROUT_HOT
110
100
90
80
70
60
50
40
30
20
10
0
0
10 20 30 40 50 60 70 80 90 100 110
Load Current (% IOUT_AVG
)
Figure 3 — Specified Primary start-up into load current and external capacitance
BCM® Bus Converter
Page 7 of 23
Rev 1.3
05/2015
vicorpower.com
800 927.9474
VICOR [ VICOR CORPORATION ]
