Not Recommended for New Designs - Replaced by BCM48Bx480y300A00
Specifications
Input (Conditions are at 48 V IN , full load, and 25°C ambient unless otherwise specified)
B048F480T30
Parameter
Input voltage range
Min
38.0
Typ
48
Max
55
Unit
Vdc
Note
Input dV/dt
Input undervoltage turn on
Input undervoltage turn off
Input overvoltage turn on
Input overvoltage turn off
32.0
55.0
1
38.0
60.0
V/μs
Vdc
Vdc
Vdc
Vdc
Input quiescent current
Inrush current overshoot
Input current
Input reflected ripple current
2.6
8.2
143
6.8
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
3.5
4.0
5
5.3
W
μF
nH
Recommended external input capacitance
47
μF
200 nH maximum source inductance; See Figure 20
Input Waveforms
Figure 1 — Inrush transient current at full load and 48 V IN
with PC enabled
Figure 3 — Output voltage turn on waveform with input turn on
at full load and 48 V IN
Figure 2 — Output voltage turn on waveform with PC enabled
at full load and 48 V IN
Figure 4 — Input reflected ripple current at full load and 48 V IN
BCM ? Bus Converter
Page 2 of 12
Rev 3.4
01/2014
vicorpower.com
800 927.9474
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