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參數(shù)資料
| 型號(hào)： | LK2320-7PDDTB2 |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 150 W AC-DC REG PWR SUPPLY MODULE |
| 封裝： | METAL, CASE K02, MODULE |
| 文件頁數(shù)： | 20/26頁 |
| 文件大?。?/td> | 601K |
| 代理商： | LK2320-7PDDTB2 |
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Cassette Style
150 Watt AC-DC Converters
K Series
Edition 01/01.2001
3/26
Functional Description
The input voltage is fed via an input fuse, an input filter, a
rectifier and an inrush current limiter to the input capacitor.
This capacitor sources a single transistor forward con-
verter. Each output is powered by a separate secondary
winding of the main transformer. The resultant voltages are
rectified and their ripples smoothed by a power choke and
output filter. The control logic senses the main output volt-
Fig. 1
Block diagram of single output converters LK 1000
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 R
18 i
20 D/V
22 T
12 S+
4
6
8
10
14 S–
Y
Output
filter
1
30
32
24
3
–
+
Y
Forward
converter
(approx.
120
kHz)
03085
Vo+
Vo–
26
28
N
P
1 Transient suppressor (VDR)
2 Inrush current limiter (NTC or option E), -9 version exclude the NTC
3 Input fuse
Input
filter
Control
circuit
1
P
2
16 R
18 i
20 D
22 T
12 Vo1+
14 Vo1–
4
6
8
10
Output
2
filter
Output
1
filter
3
–
+
Y
Forward
converter
(approx.110
kHz)
03086
Vo2+
Vo2–
30
32
24
26
28
N
P
Fig. 2
Block diagram of symmetrical double output converters LK 2000
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LK2320-7R | 功能描述:線性和開關(guān)式電源 Euro-Cassette 150W (2x 12V) 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(fēng)格:Rack 長度: 寬度: 高度: |
| LK2320-7RB1 | 制造商:Power-One 功能描述: |
| LK23207RD7 | 制造商:Power-One 功能描述: |
| LK2320-9ER | 制造商:Power-One 功能描述:AC/DC Power Supply Dual-OUT 12V/12V 6A/6A 150W 15-Pin 制造商:Power-One 功能描述:ACDC - Bulk |
| LK23-LFR | 制造商:FRONTIER 制造商全稱:Frontier Electronics. 功能描述:2A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS |
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