Specifications
Input (Conditions are at 384 Vin, full load, and 25°C ambient unless otherwise specified)
Parameter
Input voltage range
Min
360
Typ
384
Max
400
Unit
Vdc
Note
Input dV/dt
Input undervoltage turn-on
Input undervoltage turn-off
Input overvoltage turn-on
Input overvoltage turn-off
280
400
1
320
440
V/μs
Vdc
Vdc
Vdc
Vdc
Input quiescent current
Inrush current overshoot
Input current
Input reflected ripple current
1.1
0.28
456
0.9
mA
A
Adc
mA p-p
PC low
Using test circuit in Figure 20; See Figure 1
Using test circuit in Figure 20; See Figure 4
No load power dissipation
Internal input capacitance
Internal input inductance
5.8
0.2
5
8.3
W
μF
nH
Recommended external input capacitance
2.2
μF
200 nH maximum source inductance; See Figure 20
Input Waveforms
Figure 1 — Inrush transient current at full load and 384 Vin with PC
enabled
Figure 3 — Output voltage turn-on waveform with input turn-on at full
load and 384 Vin
Figure 2 — Output voltage turn-on waveform with PC enabled at full load
and 384 Vin
Figure 4 — Input reflected ripple current at full load and 384 Vin
vicorpower.com
800-735-6200
V?I Chip Bus Converter
B384F120T30
Rev. 2.4
Page 2 of 12
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