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參數(shù)資料
| 型號： | PR045A048T032TP |
| 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-20 |
| 文件頁數(shù)： | 8/13頁 |
| 文件大?。?/td> | 777K |
| 代理商： | PR045A048T032TP |
Parameter
Min
Typ
Max
Unit
Note
Output voltage range
26
48
55
Vdc
Factorized Bus voltage (Vf) set by ROS
Output power
0
320
W
Output current
0
6.67
Adc
DC current limit
7.0
8.0
8.8
Adc
IL pin floating
Average short circuit current
0.5
A
Auto recovery
Set point accuracy
1.5
%
Line regulation
0.3
0.5
%
Low line to high line
Load regulation
0.5
0.7
%
No CD resistor
Load regulation (at VTM output)
1.0
2.0
%
Adaptive Loop
Current share accuracy
5
10
%
Efficiency
Full load
97.4
%
See Figure 5,6 & 7
Output overvoltage set point
56
59.4
Vdc
Output ripple voltage
No external bypass
2.6
4.0
%
Factorized Bus, see Figure 12
With 10 F capacitor
1.4
2.2
%
Factorized Bus, See Figure 13
Switching frequency
.93
1.00
1.08
MHz
Fixed frequency - across entire operating range
Output turn-on delay
From application of power
135
230
ms
See Figure 1
From PC pin high
100
s
See Figure 2
Internal output capacitance
5
F
Ceramic
Factorized Bus capacitance
47
F
Output Specifications (Conditions are at 45 Vin, 48 Vf [a], full load, and 25°C ambient unless otherwise specified)
SPECIFICATIONS (CONT.)
Pre-Regulator Module
PR045A048T032FP
vicorpower.com
Rev. 1.0
Page 4 of 13
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