B048K120T20 Datasheet, PDF (2/16 Pages) Vicor Corporation – VI Chip - BCM Bus Converter Module

Specifications
INPUT (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
Parameter
Min
Typ
Max
Unit
Note
Input voltage range
42
48
53
Vdc
Input dV/dt
1
V/µs
Input undervoltage turn-on
42
Vdc
Input undervoltage turn-off
37
Vdc
Input overvoltage turn-on
53
Vdc
Input overvoltage turn-off
59
Vdc
Input quiescent current
1.5
1.8
mA
PC low
Inrush current overshoot
2.9
A
Using test circuit in Fig.22; See Fig.1
Input current
4.65
Adc
Input reflected ripple current
30
50
mA p-p
Using test circuit in Fig.22; See Fig.4
No load power dissipation
2.50
3.00
W
Internal input capacitance
2
µF
Internal input inductance
20
nH
Recommended external input capacitance
10
µF
200 nH maximum source inductance; See Fig.22
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
45 Vicor Corporation
Tel: [phone]
vicorpower.com
V•I Chip Bus Converter
B048K120T20
Rev. 2.2
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