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參數(shù)資料
| 型號： | LS4000 |
| 英文描述： | 100 Watt AC-DC Converters with PFC |
| 中文描述： | 100瓦交直流轉(zhuǎn)換器的功率因數(shù)校正 |
| 文件頁數(shù)： | 3/27頁 |
| 文件大?。?/td> | 599K |
| 代理商： | LS4000 |
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Cassette Style
100 Watt AC-DC Converters
S Series PFC
Edition 01/01.2001
3/27
Functional Description
The input voltage is fed via an input fuse, an input
fi
lter, a
recti
fi
er and an inrush current limiter to a single transistor
boost converter. This converter provides a sinusoidal input
current (IEC/EN 61000-3-2, class D equipment) and sour-
ces a capacitor with a voltage of 360-370 V DC. This ca-
pacitor sources a single transistor forward converter.
Each output is powered by a separate secondary winding
of the main transformer. The resultant voltages are recti
fi
ed
and their ripples smoothed by a power choke and an output
fi
lter. The control logic senses the main output voltage U
o1
and generates, with respect to the maximum admissible
output currents, the control signal for the primary switching
transistor.
The second output of double output units is controlled by
the main output, but has independent current limiting. If the
main output is driven into current limitation, the second out-
put voltage will fall as well and vice versa.
I
C
P
2
Y
16
18
20
22
12
4
6
8
10
14
Y
O
f
1
28
30
32
24
3
–
+
Y
Y
F
+
B
3
C
i
4
03001
R
i
D/V
T
S+
Vo+
Vo
–
S
–
26
N
～
P~
Fig. 1
Block diagram of single output converters LS 4000
I
C
1
P
2
16
18
20
22
12
14
4
6
8
10
O
f
O
f
26
28
30
32
24
3
–
+
Y
Y
Y
Y
Y
Y
F
B
+
3
C
i
4
03002
N~
P~
R
i
D
T
Vo1+
Vo1
–
Vo2+
Vo2
–
Fig. 2
Block diagram of symmetrical double output converters LS 5000
1
Transient suppressor (VDR)
2
Inrush current limiter (NTC or Opt. E), -9 versions exclude the NTC
3
Input fuse
4
Hold-up capacitor
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LS4001-7ER | 制造商:Power-One 功能描述: |
| LS4001-7R | 功能描述:線性和開關(guān)式電源 Euro-Cassette 100W (5.1V) RoHS:否 制造商:TDK-Lambda 產(chǎn)品:Switching Supplies 開放式框架/封閉式:Enclosed 輸出功率額定值:800 W 輸入電壓:85 VAC to 265 VAC 輸出端數(shù)量:1 輸出電壓（通道 1）:20 V 輸出電流（通道 1）:40 A 商用/醫(yī)用: 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:Rack 長度: 寬度: 高度: |
| LS4001-9ER | 制造商:Power-One 功能描述:ACDC - Bulk |
| LS40077-003 | 制造商:MASTER.SPEC. 功能描述:LS40077-003 制造商:MASTER/- 功能描述:LS40077-003 |
| LS-400A | 功能描述:十進盒 Inductance RoHS:否 制造商:IET Labs 產(chǎn)品:Decade Resistance Boxes 電阻范圍:0 Ohms to 9999999 Ohms 準確性:+/- 1 % |
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