PRELIMINARY
V•I Chip Bus Converter Module
Specifications
Input (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
Parameter
Min
Typ
Max
55
Unit
Vdc
V/µs
Vdc
Vdc
Vdc
Vdc
mA
A
Note
Input voltage range
38
48
Input dV/dt
1
Input undervoltage turn-on
Input undervoltage turn-off
Input overvoltage turn-on
Input overvoltage turn-off
Input quiescent current
Inrush current overshoot
Input current
38
32
55
60
2.6
1.3
PC low
Using test circuit in Figure 21; See Figure 1
4.8
Adc
mA p-p
W
Input reflected ripple current
No load power dissipation
Internal input capacitance
Internal input inductance
Recommended external input capacitance
182
3.3
4
Using test circuit in Figure 21; See Figure 4
4.56
µF
20
47
nH
µF
200 nH maximum source inductance; See Figure 21
Input Waveforms
Figure 1— Inrush transient current at full load and 48 Vin with PC enabled
Figure 2— Output voltage turn-on waveform with PC enabled at full load
and 48 Vin
Figure 3—Output voltage turn-on waveform with input turn-on at full load
Figure 4— Input reflected ripple current at full load and 48 Vin
and 48 Vin
vicorpower.com
800-735-6200
V•I Chip Bus Converter Module
B048K030T21
Rev. 1.0
Page 2 of 15
VICOR [ VICOR CORPORATION ]
