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B048F030T21 Datasheet(PDF) 3 Page - Vicor Corporation

Part # B048F030T21
Description  VI Chip - BCM Bus Converter Module
PDF  15 Pages
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Manufacturer  VICOR [Vicor Corporation]
Direct Link  http://www.vicorpower.com
Logo VICOR - Vicor Corporation

B048F030T21 Datasheet(HTML) 3 Page - Vicor Corporation

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vicorpower.com
800-735-6200
V•I Chip Bus Converter Module
B048K030T21
Rev. 1.0
Page 3 of 15
V•I Chip Bus Converter Module
PRELIMINARY
Parameter
Min
Typ
Max
Unit
Note
Output voltage
2.38
3.43
Vdc
No load
2.24
3.29
Vdc
Full load
Rated DC current
0
70
Adc
Module will shut down when current limit is
reached or exceeded
Peak repetitive current
105
A
Max pulse width 1ms, max duty cycle 10%,
baseline power 50%
DC current limit
71.4
87.1
94.5
Adc
Current share accuracy
5
10
%
See Parallel Operation on Page 12
Efficiency
Half load
94.0
94.5
%
See Figure 5
Full load
93.5
94.1
%
See Figure 5
Internal output inductance
1.1
nH
Internal output capacitance
254
µF
Effective value
Load capacitance
16,100
µF
Output overvoltage setpoint
3.4
Vdc
Output ripple voltage
No external bypass
80
100
mV
See Figures 7 and 9
10 µF bypass capacitor
8.6
mV
See Figure 8
Average short circuit current
3.6
A
Effective switching frequency
2.5
2.6
2.8
MHz
Fixed, 1.3 MHz per phase
Line regulation
K
0.0619
1/16
0.0631
VOUT = K•VIN at no load
Load regulation
ROUT
1.8
2.0
m
Ω
Transient response
Voltage overshoot
66
mV
100% load step; See Figures 10 and 11
Response time
200
ns
See Figures 10 and 11
Recovery time
1
µs
See Figures 10 and 11
Output overshoot
Input turn-on
0
mV
No output filter; See Fig.3
PC enable
0
mV
No output filter; See Fig.2
Output turn-on delay
From application of power
285
ms
No output filter; See Fig.3
From release of PC pin
80
ms
No output filter
Output (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
Efficiency vs. Output Power
85
86
87
88
89
90
91
92
93
94
95
021
426384
105 126 147 168 189 210
Output Power (W)
Figure 5— Efficiency vs. output power at 48 Vin
Power Dissipation
3
4
5
6
7
8
9
10
11
12
13
14
021
426384
105
126
147
168
189
210
Output Power (W)
Figure 6—Power dissipation as a function of output power
Output Waveforms
Specifications (continued)



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