B048K120T30 Datasheet, PDF (2/15 Pages) Vicor Corporation – VI Chip - BCM Bus Converter Module

Specifications
PRELIMINARY
V•I Chip Voltage Transformation Module
Input (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
Parameter
Min
Typ
Max
Unit
Note
Input voltage range
38
48
55
Vdc
Input dV/dt
1
V/µs
Input undervoltage turn-on
37.4
Vdc
Input undervoltage turn-off
32.6
Vdc
Input overvoltage turn-on
55
Vdc
Input overvoltage turn-off
59
Vdc
Input quiescent current
2.5
mA
PC low
Inrush current overshoot
2.0
A
Using test circuit in Figure 21; See Figure 1
Input current
6.8
Adc
Input reflected ripple current
170
mA p-p
Using test circuit in Figure 21; See Figure 4
No load power dissipation
4.7
5.7
W
Internal input capacitance
4
µF
Internal input inductance
20
nH
Recommended external input capacitance
47
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
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
B048K120T30
Rev. 1.0
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