BCM380x475y1K2A3z
1400
Primary/Secondary
Output Power (W)
1200
1000
800
600
400
200
0
35
45
55
65
75
85
95
105
115
125
Case Temperature (°C)
Top only at temperature
Top and leads at temperature
Top, leads, and belly at temperature
Figure 1 —
Specified thermal operating area
Secondary Output Power (W)
Secondary Output Current (A)
1600
1500
1400
1300
1200
1100
1000
900
800
700
260
275
290
305
320
335
350
365
380
395
410
34
32
30
28
26
24
22
20
18
16
260
275
290
305
320
335
350
365
380
395
410
Primary Input Voltage (V)
P
SEC_OUT_DC
P
SEC_OUT_PULSE
Primary Input Voltage (V)
I
SEC_OUT_DC
I
SEC_OUT_PULSE
Figure 2 —
Specified electrical operating area using rated R
SEC_HOT
Secondary Output Capacitance
(% Rated C
SEC_EXT_MAX
)
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 (% I
SEC_OUT_DC
)
Figure 3 —
Specified Primary start-up into load current and external capacitance
BCM
®
Bus Converter
Page 9 of 25
Rev 1.7
07/2015
vicorpower.com
800 927.9474
VICOR [ VICOR CORPORATION ]
