PRELIMINARY
Specifications
Input
(Conditions are at 48 Vin, 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
V•I Chip Bus Converter Module
Min
38
Typ
48
Max
55
1
38.0
Unit
Vdc
V/µs
Vdc
Vdc
Vdc
Vdc
mA
A
Adc
mA p-p
W
µF
nH
µF
Note
32.0
55.0
59.5
2.63
8.2
6.7
142.5
3.3
4.0
20
47
4.6
PC low
Using test circuit in Figure 21; See Figure 1
Using test circuit in Figure 21; See Figure 4
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
and 48 Vin
Figure 4—
Input reflected ripple current at full load and 48 Vin
vicorpower.com
800-735-6200
V•I Chip Bus Converter Module
B048K480T30
Rev. 1.5
Page 2 of 15
VICOR [ VICOR CORPORATION ]
