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参数资料
| 型号： | LS2660-9RD4B2 |
| 元件分类： | 电源模块 |
| 英文描述： | 2-OUTPUT 100 W AC-DC REG PWR SUPPLY MODULE |
| 封装： | METAL, CASE S02, MODULE |
| 文件页数： | 19/25页 |
| 文件大小： | 591K |
| 代理商： | LS2660-9RD4B2 |
Cassette Style
100 Watt AC-DC (DC-DC) Converters
S Series
Edition 01/01.2001
3/25
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 converter.
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 fil-
ter. The control logic senses the main output voltage
Uo1
Fig. 1
Block diagram of single output converters LS 1000
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.
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 LS 2000
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LS2680M2G---2220S | 制造商:Surge Components Inc 功能描述:CAP ALUM 68UF 400V ?20% 2000LHRS 22 X 20 - Bulk |
| LS2680M2W---2230S | 制造商:Surge Components Inc 功能描述:CAP ALUM 68UF 450V ?20% 2000LHRS 22 X 30 - Bulk |
| LS2680M2W---2520S | 制造商:Surge Components Inc 功能描述:CAP ALUM 68UF 450V ?20% 2000LHRS 25 X 20 - Bulk |
| LS2680M2W---2525S | 制造商:Surge Components Inc 功能描述:CAP ALUM 68UF 450V ?20% 2000LHRS 25 X 25 - Bulk |
| LS2681M2D---2250S | 制造商:Surge Components Inc 功能描述:CAP ALUM 680UF 200V ?20% 2000LHRS 22 X 50 - Bulk |
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