PRELIMINARY
Electrical Specifications
(continued)
Auxiliary Pins
(Conditions are at 48 Vin, 48 Vf, full load, and 25°C ambient unless otherwise specified)
Parameter
VC (VTM Control)
Peak voltage
PC (Primary Control)
DC voltage
Module disable voltage
Module enable voltage
Disable hysteresis
Current limit
Enable delay time
Disable delay time
IL (Current Limit Adjust)
Voltage
Accuracy
PR (Parallel Port)
Voltage
Source current
External capacitance
VH (Auxiliary Voltage)
Range
Regulation
SC (Secondary Control)
Voltage
Internal capacitance
External capacitance
OS (Output Set)
Set point accuracy
Reference offset
CD (Compensation Device)
External resistance
20
Ω
Omit resistor for regulation at output of PRM
± 1.5
±4
%
mV
Includes 1% external resistor
1.23
1.24
0.1
0.7
1.25
Vdc
µF
µF
Referenced to SG
8.7
9.0
0.04
9.3
Vdc
%/mA
Maximum source = 5 mA
0.6
1
100
7.5
V
mA
pF
1
± 15
V
%
Based on DC current limit set point
2.0
4.8
2.3
5.0
2.4
2.5
100
2.7
100
1
3.5
2.6
5.2
Vdc
Vdc
Vdc
mV
mA
µs
µs
Source only
14
V
Referenced to –Out
Min
Typ
Max
Unit
Note
V•I Chip Pre-Regulator Module
General Specs
Parameter
MTBF
MIL-HDBK-217F
Agency approvals (pending)
Mechanical parameters
Weight
Dimensions
Length
Width
Height
1.26 / 32
0.85 / 21.5
0.23 / 5.9
in / mm
in / mm
in / mm
0.5 / 14
oz / g
2.2
cTÜVus
CE Mark
Mhrs
25°C, GB
UL/CSA 60950, EN60950
Low voltage directive
See mechanical drawing, Figures 17 and 19
Min
Typ
Max
Unit
Note
vicorpower.com
800-735-6200
V•I Chip Pre-Regulator Module
P048K048T24AL
Rev. 1.4
Page 6 of 15
VICOR [ VICOR CORPORATION ]
