Not Recommended for New Designs - BCM352x110T300B00 Recommended
Specifications (continued)
Output (Conditions are at 352 Vin, full load, and 25°C ambient unless otherwise specified)
Parameter
Min
10.3
9.97
0
Typ
Max
11.4
11.1
300
28
Unit
Vdc
Vdc
W
Note
No load
Output voltage
Full load
Output power
354 - 365 VIN
Rated DC current
0
Adc
POUT≤300 W
Max pulse width 1ms, max duty cycle 10%,
baseline power 50%
See Parallel Operation on Page 10
Peak repetitive power
450
10
W
%
Current share accuracy
Efficiency
5
Half load
94.0
94.5
94.8
95.5
1.1
%
%
See Figure 5
See Figure 5
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
nH
µF
37
Effective value
1,200
400
µF
11.4
Vdc
270
mV p-p
mV p-p
Adc
See Figures 7 and 9
See Figure 8
10.2
45.0
3.7
Module will shut down
13.7
3.9
mA
4.1
0.0316
12.5
MHz
Fixed, 2.0 MHz per phase
VOUT = K•VIN at no load
K
0.0309
1/32
9.8
Load regulation
ROUT
mΩ
Transient response
Voltage overshoot
Response time
72
200
1
mV
ns
100% load step; See Figures 10 and 11
See Figures 10 and 11
Recovery time
µs
See Figures 10 and 11
Output overshoot
Input turn-on
0
0
mV
mV
No output filter; See Figure 3
No output filter; See Figure 2
PC enable
Output turn-on delay
From application of power
From release of PC pin
428
37
ms
µs
No output filter; See Figure 3
No output filter
Output Waveforms
Efficiency vs. Output Power
Power Dissipation
96
94
92
90
88
86
84
82
16
14
12
10
8
6
4
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 at 352 Vin
Figure 6 — Power dissipation as a function of output power
vicorpower.com 800-735-6200 V•I Chip Bus Converter BCM352F110T300A00 & BCM352T110T300A00
Rev. 1.6
Page 3 of 11
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