Specifications
INPUT (Conditions are at nominal line, full load, and 25°C ambient unless otherwise specified)
Parameter
Min
Typ
Max
53
Unit
V
Note
Input voltage range
42
48
Input dV/dt
10
V/µs
V
Input undervoltage turn-on
Input undervoltage turn-off
Input overvoltage turn-on
Input overvoltage turn-off
Input quiescent current
Inrush current overshoot
Input current
42
37
53
V
V
59
V
1.0
2.9
1.2
mA
A
PC low
Using test circuit in Fig.24; See Fig.1
4.65
50
A
Input reflected ripple current
No load power dissipation
Internal input capacitance
Internal input inductance
Recommended external input capacitance
30
2.50
2
mA p-p
W
Using test circuit in Fig.24; See Fig.4
3.00
µF
nH
µF
20
8
200 nH maximum source inductance; See Fig.24
INPUT WAVEFORMS
Figure 1— Inrush transient current at full load and nominal VIN
Figure 2— Output voltage turn-on waveform with PC enabled
with PC enabled
at full load and nominal VIN
Figure 3—Output voltage turn-on waveform with input turn-on
Figure 4— Input reflected ripple current at full load and
at full load and nominal VIN
nominal VIN
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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VICOR [ VICOR CORPORATION ]
