PRELIMINARY
V•I Chip Voltage Transformation Module
Specifications (continued)
General
Parameter
Min
Typ
Max
Unit
Note
MTBF
MIL-HDBK-217F
Telcordia TR-NT-000332
Isolation specifications
Voltage
3.5
4.2
Mhrs
Mhrs
25°C, GB
2,250
10
Vdc
pF
Input to Output
Capacitance
3,000
Input to Output
Resistance
MΩ
Input to Output
cTÜVus
UL/CSA 60950, EN 60950
Low voltage directive
See Mechanical Drawing, Figures 15 and 17
Agency approvals (pending)
CE Mark
Mechanical parameters
Weight
0.50 / 14
oz / g
Dimensions
Length
1.26 / 32
0.85 / 21.5
0.23 / 6
in / mm
in / mm
in / mm
Width
Height
Auxiliary Pins (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
Parameter
Min
Typ
Max
Unit
Note
Primary control (PC)
DC voltage
4.8
2.4
5.0
2.5
2.5
2.5
80
5.2
Vdc
Vdc
Vdc
mA
ms
Module disable voltage
Module enable voltage
Current limit
2.6
2.9
2.4
Source only
Enable delay time
Disable delay time
10
µs
See Fig.12 time from PC low to output low
Figure 12— VOUT at full load vs. PC disable
Figure 13— PC signal during fault
vicorpower.com
800-735-6200
V•I Chip Bus Converter Module
B048K120T30
Rev. 1.0
Page 5 of 16