SPECIFICATIONS (CONT.)
Output Specifications
Parameter
Output voltage
Output power
Rated DC current
Peak repetitive power
Current share accuracy
Efficiency
Half load
Full load
Internal output inductance
Internal output capacitance
Load capacitance
Output overvoltage setpoint
Output ripple voltage
No external bypass
10 µF bypass capacitor
Short circuit protection set point
Average short circuit current
Effective switching frequency
Line regulation
K
Load regulation
R
OUT
Transient response
Voltage overshoot
Response time
Recovery time
Output overshoot
Input turn-on
PC enable
Output turn-on delay
From application of power
From release of PC pin
(Conditions are at 352 Vin, full load, and 25°C ambient unless otherwise specified)
Min
10.3
9.91
0
0
Typ
Max
11.4
11.0
300
30.4
450
5
93.5
94.3
95.8
95.5
1.1
31
1,200
11.4
200
13
38.0
3.3
0.0309
0.18
3.4
1/32
12.2
115
200
1
0
0
750
160
3.5
0.0316
15.0
mΩ
mV
ns
µs
mV
mV
ms
ms
100% load step; See Figures 10 and 11
See Figures 10 and 11
See Figures 10 and 11
No output filter; See Figure 3
No output filter; See Figure 2
No output filter; See Figure 3
No output filter
400
10
Unit
Vdc
Vdc
W
Adc
W
%
%
%
nH
µF
µF
Vdc
mVp-p
mVp-p
Adc
A
MHz
Note
No load
Full load
330 - 365 V
IN
P
OUT
≤
300 W
Max pulse width 1ms, max duty cycle 10%,
baseline power 50%
See Parallel Operation on Page 8
See Figure 5
See Figure 5
Effective value
See Figures 7 and 9
See Figure 8
Module will shut down
Fixed, 1.7 MHz per phase
V
OUT
= K•V
IN
at no load
OUTPUT WAVEFORMS
Efficiency vs. Output Power
98
16
Power Dissipation
Power Dissipation (W)
14
12
10
8
6
4
2
96
Efficiency (%)
94
92
90
88
86
84
82
0
30
60
90
120
150
180
210
240
270
300
0
30
60
90
120
150
180
210
240
270
300
Output Power (W)
Output Power (W)
Figure 5
— Efficiency vs. output power
Bus Converter Module
BC352A110T030FP
Figure 6
— Power dissipation as a function of output power
vicorpower.com
Rev. 1.0
Page 4 of 11