BCM 352
x
125
y
300A00
No Load Power Dissipation
12
96.0
95.5
Full Load Efficiency vs. Temperature
Power Dissipation (W)
10
8
6
4
2
0
330
335
340
-40
345
25
350
355
100
360
365
Efficiency (%)
95.0
94.5
94.0
93.5
93.0
-40
-20
0
330
20
352
40
365
60
80
100
Input Voltage (V)
Case Temperature (°C)
Figure 1 —
No load power dissipation vs. V
IN
; T
CASE
Figure 2 —
Full load efficiency vs. temperature; V
IN
98
94
90
Efficiency & Power Dissipation -40 °C Case
21
98
Efficiency & Power Dissipation 25 °C Case
19
Power Dissipation (W)
94
Efficiency (%)
86
82
78
74
70
66
62
0
330
5
352
10
15
365
20
330
25
352
30
Efficiency (%)
17
92
90
88
86
84
82
80
78
0
5
330
η
P
D
15
13
11
9
7
5
10
352
P
D
15
13
11
9
7
Output Load (A)
365
Output Load (A)
365
15
20
25
352
30
365
330
Figure 3 —
Efficiency and power dissipation at -40 °C (case); V
IN
Figure 4 —
Efficiency and power dissipation at 25 °C (case); V
IN
98
96
94
Efficiency & Power Dissipation 100 °C Case
21
18
Rout vs. Case Temperature
Power Dissipation (W)
19
17
16
15
14
13
12
11
10
9
8
-40
-20
0
20
2.6 A
40
26 A
60
80
100
Efficiency (%)
90
88
86
84
82
80
78
0
330
5
352
10
15
365
20
330
25
352
30
13
P
D
11
9
7
5
Rout (mΩ)
92
η
17
15
Output Load (A)
365
Temperature (°C)
Figure 5 —
Efficiency and power dissipation at 100 °C (case); V
IN
Figure 6 —
R
OUT
vs. temperature vs. I
OUT
BCM
®
Bus Converter
Page 6 of 18
Rev 1.7
1/2013
vicorpower.com
800 735.6200
Power Dissipation (W)
η
19
96
17
VICOR [ VICOR CORPORATION ]
