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參數(shù)資料
| 型號： | P045T048T32AL |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 320 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-16 |
| 文件頁數(shù)： | 12/14頁 |
| 文件大小： | 1064K |
| 代理商： | P045T048T32AL |
vicorpower.com
800-735-6200
VI Chip Pre-Regulator Module
P045F048T32AL
Rev. 2.0
Page 7 of 14
Auxiliary Pins (Conditions are at 45 Vin, 48 Vf, full load, and 25°C ambient unless otherwise specified)
Parameter
Min
Typ
Max
Unit
Note
VC (VTM Control)
Pulse width
8
12
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
Bypass to SG with 0.01 F
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= 0.1F
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
Parameter
Min
Typ
Max
Unit
Note
MTBF
MIL-HDBK-217F
2.2
Mhrs
25°C, GB
Agency approvals (pending)
cTVus
UL/CSA 60950-1, EN60950-1
CE Mark
Low voltage directive
RoHS
Mechanical parameters
See Mechanical Drawings, Figures 19 – 22
Weight
0.53/15
oz/g
Dimensions
Length
1.28/32,5
in/mm
Width
0.87/22
in/mm
Height
0.26/6,6
in/mm
Thermal
Over temperature shutdown
130
135
140
°C
Junction temperature
Thermal capacity
9.3
Ws/°C
Junction-to-case thermal impedance (RθJC)
1.1
°C/W
Junction-to-board thermal impedance (RθJB)
2.1
°C/W
Case-to-ambient
3.7
°C/W
With 0.25” heat sink @ 300 LFM
General Specs
Electrical Specifications (continued)
VI Chip Pre-Regulator Module
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