Specifications
INPUT
(Conditions are at nominal line, full load, and 25°C ambient unless otherwise specified)
Parameter
Input voltage range
Input dV/dt
Input undervoltage turn-on
Input undervoltage turn-off
Input overvoltage turn-on
Input overvoltage turn-off
Input quiescent current
Inrush current overshoot
Input current
Input reflected ripple current
No load power dissipation
Internal input capacitance
Internal input inductance
Recommended external input capacitance
Min
42
Typ
48
Max
53
10
42
Unit
V
V/µs
V
V
V
V
mA
A
A
mA p-p
W
µF
nH
µF
Note
37
53
P
L
E
R
8
IN
IM
1.0
2.9
59
1.2
30
2.50
2
20
4.65
50
3.00
PC low
Using test circuit in Fig.24; See Fig.1
Y
R
A
Using test circuit in Fig.24; See Fig.4
200 nH maximum source inductance; See Fig.24
INPUT WAVEFORMS
Figure 1—
Inrush transient current at full load and nominal V
IN
with PC enabled
Figure 2—
Output voltage turn-on waveform with PC enabled
at full load and nominal V
IN
Figure 3—Output
voltage turn-on waveform with input turn-on
at full load and nominal V
IN
Figure 4—
Input reflected ripple current at full load and
nominal V
IN
45
Vicor Corporation
Tel: 800-735-6200
vicorpower.com
V•I Chip Bus Converter
B048K120T20
Rev. 1.7
Page 2 of 16
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