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參數(shù)資料
| 型號： | V048K320T009 |
| 廠商： | Vicor Corporation |
| 元件分類： | DC/DC變換器 |
| 英文描述： | VI Chip - PRM-AL Pre-regulator Module |
| 中文描述： | 六芯片-大羅馬尼亞黨鋁預(yù)穩(wěn)壓模塊 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大小： | 544K |
| 代理商： | V048K320T009 |
vicorpower.com
800-735-6200
VI Chip Pre-Regulator Module
P048K048T24AL
Rev. 1.4
Page 4 of 15
PRELIMINARY
Parameter
Output voltage range
Output power
Output current
DC current limit
Average short circuit current
Set point accuracy
Line regulation
Load regulation
Load regulation (at VTM output)
Current share accuracy
Efficiency
Full load
Output overvoltage set point
Output ripple voltage
No external bypass
With 10 μF capacitor
Switching frequency
Output turn-on delay
From application of power
From PC pin high
Internal output capacitance
Factorized Bus capacitance
Min
26
0
0
5.25
Typ
48
Max
55
240
5
7.20
0.5
Unit
Vdc
W
Adc
Adc
A
%
%
%
%
%
Note
Factorized Bus voltage (Vf) set by R
OS
6.60
I
L
pin floating
Auto recovery
± 1.5
0.1
0.1
1.0
5
0.2
0.2
Low line to high line
No CD resistor
Adaptive Loop
10
96
%
Vdc
See Figure 7,8 & 9
56
59.4
1.9
0.04
1.45
2.0
0.06
1.55
%
%
MHz
Factorized Bus
Factorized Bus
Fixed frequency
1.35
150
100
5
300
ms
μs
μF
μF
See Figure 2
See Figure 3
Ceramic
Aluminum Electrolytic
47
Output Specs
(Conditions are at 48 Vin, 48 Vf, full load, and 25°C ambient unless otherwise specified)
Output Waveforms
78
80
82
84
86
88
90
92
94
96
98
0.5
1.0
1.5
2.0
Output Current (A)
2.5
3.0
3.5
4.0
4.5
5.0
E
36Vin
48Vin
75Vin
Figure 7
— Efficiency vs. output current at 48 Vf
Figure 6
— VTM output regulation and Vf bus during load step using
VTM with K = 1/24
Electrical Specifications
(continued)
VI Chip Pre-Regulator Module
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