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參數資料
| 型號： | LK4601-7ERD7B1 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 150 W AC-DC PWR FACTOR CORR MODULE |
| 封裝： | METAL, CASE K02, MODULE |
| 文件頁數： | 22/28頁 |
| 文件大小： | 606K |
| 代理商： | LK4601-7ERD7B1 |
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Cassette Style
150 Watt AC-DC Converters
K Series PFC
Edition 01/01.2001
3/28
Functional Description
The input voltage is fed via an input fuse, an input lter, a
rectier and an inrush current limiter to a single transistor
boost converter. This converter provides a sinusoidal in-
put current (IEC/EN 61000-3-2, class D equipment) and
sources a capacitor with a voltage of 360-370 VDC. This
capacitor sources a single transistor forward converter.
Each output is powered by a separate secondary winding
on the main transformer. The resultant voltages are recti-
ed and their ripples smoothed by a power choke and an
output lter. The control logic senses the main output volt-
age
Uo1 and generates, with respect to the maximum ad-
missible 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.
Input
filter
Control
circuit
P
2
Y
16
18
20
22
12
4
6
8
10
14
Y
Output
filter
1
28
30
32
24
3
–
+
Y
Forward
converter
(approx.
80
kHz)
+
Boost
converter
(PFC)
360
V
DC
Ci
4
03001
R
i
D/V
T
S+
Vo+
Vo–
S–
26
N
P~
Fig. 1
Block diagram of single output converters LK 4000
Input
filter
Control
circuit
1
P
2
16
18
20
22
12
14
4
6
8
10
Output
2
filter
Output
1
filter
26
28
30
32
24
3
–
+
Y
Forward
converter
(approx.
80
kHz)
Boost
converter
(PFC)
+
360
V
DC
Ci
4
03002
N~
P~
R
i
D
T
Vo1+
Vo1–
Vo2+
Vo2–
Fig. 2
Block diagram of symmetrical double output converters LK 5000
1 Transient suppressor (VDR).
2 Inrush current limiter (NTC or option E), -9 versions exclude the NTC.
3 Input fuse.
4 Hold-up capacitor.
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| LK5320-7EPD5T | 2-OUTPUT 150 W AC-DC PWR FACTOR CORR MODULE |
| LK5320-7ERD9B1 | 2-OUTPUT 150 W AC-DC PWR FACTOR CORR MODULE |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LK-4601-7P-D8 | 制造商:Power-One 功能描述: |
| LK4601-7R | 功能描述:線性和開關式電源 Euro-Cassette 144W (24V) RoHS:否 制造商:TDK-Lambda 產品: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: |
| LK4601-7R-D8-T | 制造商:Power-One 功能描述: |
| LK4601-9ER | 制造商:Power-One 功能描述:AC/DC PS SGL-OUT 24V 6A 280W 15PIN - Bulk |
| LK4601-9ERB1 | 制造商:Power-One 功能描述: |
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