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参数资料
| 型号： | PR045A048T017TP |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 170 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT PACKAGE-20 |
| 文件页数： | 8/13页 |
| 文件大小： | 925K |
| 代理商： | PR045A048T017TP |
Pre-Regulator Module
PR045A048T017FP
vicorpower.com
Rev. 1.0
Page 4 of 13
Parameter
Min
Typ
Max
Unit
Note
Output voltage range
26
48
55
Vdc
Factorized Bus voltage (Vf) set by ROS
Output power
0
170
W
Output current
0
3.5
Adc
DC current limit
3.7
4.2
4.7
Adc
IL pin floating
Average short circuit current
0.5
A
Auto recovery
Set point accuracy
1.5
%
Line regulation
0.1
0.2
%
Low line to high line
Load regulation
0.1
0.2
%
No CD resistor
Load regulation (at VTM output)
1.0
2.0
%
Adaptive Loop
Current share accuracy
5
10
%
Efficiency
Full load
96.7
%
See Figure 5,6 & 7
Output overvoltage set point
56
59.4
Vdc
Output ripple voltage
No external bypass
1.25
1.75
%
Factorized Bus, see Figure 12
With 10 F capacitor
0.75
1.0
%
Factorized Bus, See Figure 13
Switching frequency
1.35
1.45
1.56
MHz
Fixed frequency - across entire operating range
Output turn-on delay
From application of power
180
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.)
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