B048K120T30 Datasheet, PDF (3/15 Pages) Vicor Corporation – VI Chip - BCM Bus Converter Module

Specifications (continued)
PRELIMINARY
V•I Chip Voltage Transformation Module
Output (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
Parameter
Output voltage
Rated DC current
Peak repetitive current
DC current limit
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
Average short circuit current
Effective switching frequency
Line regulation
K
Load regulation
ROUT
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
Typ
Max
Unit
9.5
13.7
Vdc
9.2
13.4
Vdc
0
25
Adc
25.5
30.0
5
95.0
95.5
95.0
96.0
1.1
55
13.8
144
12.8
0.16
2.5
2.8
0.2475
1/4
11.7
355
200
1
0
0
308
80
37.5
36.3
10
1,000
214
3.2
0.2525
13.9
A
Adc
%
%
%
nH
µF
µF
Vdc
mV
mV
A
MHz
mΩ
mV
ns
µs
mV
mV
ms
ms
Note
No load
Full load
Module will shut down when current limit is
reached or exceeded
Max pulse width 1ms, max duty cycle 10%,
baseline power 50%
See Parallel Operation on Page 12
See Figure 5
See Figure 5
Effective value
See Figures 7 and 9
See Figure 8
Fixed, 1.4 MHz per phase
VOUT = K•VIN 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 Fig.3
No output filter; See Fig.2
No output filter; See Fig.3
No output filter
Output Waveforms
Efficiency vs. Output Power
98
96
94
92
90
88
86
84
0 30 60 90 120 150 180 210 240 270 300
Output Power (W)
Figure 5— Efficiency vs. output power at 48 Vin
vicorpower.com 800-735-6200
Power Dissipation vs. Output Power
14
12
10
8
6
4
2
0
0 30 60 90 120 150 180 210 240 270 300
Output Power (W)
Figure 6—Power dissipation as a function of output power
V•I Chip Bus Converter Module
B048K120T30
Rev. 1.0
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