SPECIFICATIONS (CONT.)
Output Specifications
Parameter
Output voltage
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
94 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
5
89.5
89.5
91.0
90.8
1.6
306
64,400
1.7
100
14
100
2.8
0.0309
13.5
2.9
1/32
0.9
60
200
1
0
0
88
35
3.0
0.0316
1.3
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
200
(Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
Min
1.19
1.08
0
Typ
Max
1.71
1.61
90
203
10
Unit
Vdc
Vdc
Adc
W
%
%
%
nH
µF
µF
Vdc
mVp-p
mVp-p
Adc
A
MHz
Note
No load
Full load
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, 1.5 MHz per phase
V
OUT
= K•V
IN
at no load
OUTPUT WAVEFORMS
Efficiency vs. Output Power
95
16
Power Dissipation
Power Dissipation (W)
14
12
10
8
6
4
90
Efficiency (%)
85
80
75
70
0
15
30
45
60
75
90
105
120
135
0
15
30
45
60
75
90
105
120
135
Output Power (W)
Output Power (W)
Figure 5
— Efficiency vs. output power
Figure 6
— Power dissipation as a function of output power
Bus Converter Module
BC048A015T014FP
vicorpower.com
Rev. 1.0
Page 4 of 11
VICOR [ VICOR CORPORATION ]
