參數(shù)資料
型號(hào)： PR048A480T012TP
元件分類： 電源模塊
英文描述： 1-OUTPUT 120 W DC-DC REG PWR SUPPLY MODULE
封裝： ROHS COMPLIANT PACKAGE-20
文件頁(yè)數(shù)： 11/13頁(yè)
文件大?。?/td> 1093K
代理商： PR048A480T012TP
SPECIFICATIONS (CONT.)
Parameter
Min
Typ
Max
Unit
Notes
MTBF
MIL-HDBK-217F
3.505
Mhrs
25°C, GB
CTVus
UL/CSA 60950-1, EN60950-1
CE Mark
Low voltage directive
RoHS
Complies wih RoHS
Mechanical parameters
See Mechanical Drawings, Figures 19 & 20
Weight
1.07/30,4
oz/g
Dimensions
Length
1.91/48,6
in/mm
Width
1.09/27,7
in/mm
Height
0.37/9,5
in/mm
Thermal
Over temperature shutdown
130
135
140
°C
junction temperature
Thermal capacity
23.8
Ws/°C
Baseplate to ambient
8.8
°C/W
Baseplate to ambient; 1000 LFM
3.0
°C/W
Baseplate to sink; flat, greased surface
0.40
°C/W
Baseplate to sink; thermal pad
0.36
°C/W
General Specifications
Parameter
Min
Typ
Max
Unit
Notes
VC (VTM Control)
Pulse width
812
18
ms
Peak voltage
12
14
18
V
Referenced to –Out
PC (Primary Control)
DC voltage
4.8
5.0
5.2
Vdc
Referenced to –In
Module disable voltage
2.3
2.4
Vdc
Referenced to –In
Module enable voltage
2.5
2.6
Vdc
Disable hysteresis
100
mV
Source only after start up; not to be used for
Current limit
1.75
1.90
mA
aux. supply; 100 kΩ minimum load
impedance to assure start up.
Enable delay time
100
s
Disable delay time
1
s
IL (Current Limit Adjust)
Voltage
1
V
Accuracy
± 15
%
Based on DC current limit set point
PR (Parallel Port)
Voltage
0.6
7.5
V
Referenced to SG; See description Page 8
Source current
1
mA
External capacitance
100
pF
VH (Auxiliary Voltage)
Typical internal bypass C= 0.1 F
Range
8.7
9.0
9.3
Vdc
Maximum external C= 0.1 F, referenced to SG
Regulation
0.04
%/mA
Current
5
mA p
SC (Secondary Control)
Voltage
1.23
1.24
1.25
Vdc
Referenced to SG
Internal capacitance
0.22
F
External capacitance
0.7
F
OS (Output Set)
Set point accuracy
± 1.5
%
Includes 1% external resistor
Reference offset
± 4
mV
CD (Compensation Device)
External resistance
20
Ω
Omit resistor for regulation at output of PRM
Auxiliary Pins
Pre-Regulator Module
PR048A480T012FP
vicorpower.com
Rev. 1.0
Page 7 of 13
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