P024F048T12AL_15 Datasheet, PDF (7/14 Pages) Vicor Corporation – Non-isolated Regulator

P024F048T12AL
Electrical Specifications (continued)
Auxiliary Pins (Conditions are at 24 Vin, 48 Vf, full load, and 25°C ambient unless otherwise specified)
Parameter
VC (VTM Control)
Pulse width
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
Current
SC (Secondary Control)
Voltage
Internal capacitance
External capacitance
OS (Output Set)
Set point accuracy
Reference offset
CD (Compensation Device)
External resistance
Min
Typ
Max
Unit
Note
8
12
18
ms
12
14
18
V
Referenced to –Out
4.8
5.0
5.2
Vdc
Referenced to –In
2.3
2.4
Vdc
Referenced to –In
2.5
2.6
Vdc
100
mV
Source only after start up; not to be used for
1.75
1.90
mA
aux. supply; 100 kΩ minimum load
impedance to assure start up.
100
µs
1
µs
0.95
1
1.05
V
± 15
%
Based on DC current limit set point
1.5
3
V
Referenced to SG; See description Page 8
1
mA
100
pF
Typical internal bypass C= 0.1 µF
8.7
9.0
9.3
Vdc
Maximum external C=0.1 µF, referenced to SG
0.04
%/mA
5
mA p
1.23
1.24
1.25
0.22
0.7
Vdc
Referenced to SG
µF
µF
± 1.5
±4
%
Includes 1% external resistor
mV
20
Ω
Omit resistor for regulation at output of PRM
General Specs
Parameter
Min
MTBF
MIL-HDBK-217F
Agency approvals
Mechanical parameters
Weight
Dimensions
Length
Width
Height
Thermal
Over temperature shutdown
130
Thermal capacity
Junction-to-case thermal impedance (R_θJC)
Junction-to-board thermal impedance (R_θJB)
Case-to-ambient
Typ
Max
Unit
Note
2.2
Mhrs
25°C, GB
cTÜVus
UL/CSA 60950-1, EN60950-1
CE Marked for Low Voltage Directive and RoHS Recast Directive, as applicable
See Mechanical Drawings, Figures 19 – 22
0.53 / 15
oz / g
1.28/32,5
0.87/22,0
0.265/6,73
in /mm
in /mm
in /mm
135
140
°C
Junction temperature
9.3
Ws/°C
1.1
°C/W
2.1
°C/W
3.7
°C/W
With 0.25” heat sink @ 300 LFM
PRM^® Regulator
Page 7 of 14
Rev 3.2
07/2015
vicorpower.com
800 927.9474