BCM384x120y800ACz
1000
800
600
400
200
0
35
45
55
65
75
85
95
105
115
125
Case Temperature (°C)
Top only at temperature
Leads at temperature
Top and leads at
temperature
Top, leads, & belly at
Figure 1 — Specified thermal operating area
100
92
84
76
68
60
52
44
36
28
1200
1100
1000
900
800
700
600
500
400
300
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
10 20 30 40 50 60 70 80 90 100 110
Secondary Output Current (% ISEC_OUT_DC
)
Figure 3 — Specified Primary start-up into load current and external capacitance
BCM® Bus Converter
Page 9 of 25
Rev 1.2
07/2015
vicorpower.com
800 927.9474
VICOR [ VICOR CORPORATION ]
