BCM400x500y1K8A3z
2000
1800
1600
1400
1200
1000
800
600
400
200
0
35
45
55
65
75
85
95
105
115
125
Case Temperature (°C)
Top only at temperture
Top and leads at temperature
Top, leads and belly at temperature
Figure 1 — Specified thermal operating area
42
2000
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
900
40
38
36
34
32
30
28
26
24
22
20
18
16
800
260 275 290 305 320 335 350 365 380 395 410
260 275 290 305 320 335 350 365 380 395 410
Primary Input Voltage (V)
Primary Input Voltage (V)
ISEC_OUT_DC
ISEC_OUT_PULSE
PSEC_OUT_DC
PSEC_OUT_PULSE
Figure 2 — Specified electrical operating area using rated RSEC_HOT
110
100
90
80
70
60
50
40
30
20
10
0
0
20
40
60
80
100
Seondary Output Current (% ISEC_DC
)
Figure 3 — Specified Primary start-up into load current and external capacitance
BCM® Bus Converter
Page 9 of 25
Rev 1.4
07/2015
vicorpower.com
800 927.9474
VICOR [ VICOR CORPORATION ]
