B048K060T24 Datasheet, PDF (3/15 Pages) Vicor Corporation – VI Chip - BCM Mus Converter Module

Specifications (continued)
PRELIMINARY
Output (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
V•I Chip Bus Converter Module
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
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
4.75
6.87
Vdc
4.45
6.60
Vdc
0
240
W
0
188
W
0
42.4
Adc
360
W
5
10
%
94.3
95.8
%
93.8
94.8
%
1.1
nH
55.0
µF
4,000
µF
6.9
Vdc
230
300
mV
12.5
mV
42.8
49.9
55.0
Adc
1
A
2.0
2.5
3.0
MHz
0.1238
1/8
0.1263
5.5
7.5
mΩ
180
mV
200
ns
1
µs
0
mV
0
mV
290
ms
85
ms
Note
No load
Full load
48 - 55 VIN
38 - 55 VIN
POUT ≤ 240 W
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
Module will shut down
See Figures 7 and 9
See Figure 8
Module will shut down
Fixed, 1.25 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
96
95.5
95
94.5
94
93.5
93
92.5
92
91.5
91
0
Efficiency vs. Output Power
24 48 72 96 120 144 168 192 216 240
Output Power (W)
Figure 5— Efficiency vs. output power at 48 Vin
vicorpower.com 800-735-6200
Power Dissipation
14
13
12
11
10
9
8
7
6
5
4
3
2
0 24 48 72 96 120 144 168 192 216 240
Output Power (W)
Figure 6—Power dissipation as a function of output power
V•I Chip Bus Converter Module
B048K060T24
Rev. 1.0
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