BC048A120T030FP Datasheet, PDF (4/11 Pages) Vicor Corporation – BCM™ Bus Converter

SPECIFICATIONS (CONT.)
Output Specifications (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
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
Min
9.50
9.16
0
0
0
94.5
95.0
13.8
30.6
3.0
0.2475
Typ
5
95.1
95.6
1.1
55
150
13
0.158
3.4
1/4
11.2
355
200
1
0
0
370
100
Max
13.8
13.4
300
272
30.0
450
10
1,000
285
3.8
0.2525
13.9
Unit
Vdc
Vdc
W
W
Adc
W
%
%
%
nH
µF
µF
Vdc
mVp-p
mVp-p
Adc
A
MHz
mΩ
mV
ns
µs
mV
mV
ms
ms
Note
No load
Full load
42 - 55 V_IN
38 - 55 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
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
OUTPUT WAVEFORMS
Efficiency vs. Output Power
98
96
94
92
90
88
86
84
82
0
30 60 90 120 150 180 210 240 270 300
Output Power (W)
Power Dissipation
16
14
12
10
8
6
4
0 30 60 90 120 150 180 210 240 270 300
Output Power (W)
Figure 5 — Efficiency vs. output power
Figure 6 — Power dissipation as a function of output power
Bus Converter Module
BC048A120T030FP
vicorpower.com
Rev. 1.0
Page 4 of 11