FS2540-7EPD8B2

更新时间： 2024-09-21 10:01:15

品牌	Logo	应用领域
BEL		电源电路
页数	文件大小	规格书
33页	438K
描述
DC-DC Regulated Power Supply Module, 2 Output, 100W, Hybrid, METAL, CASE S02, MODULE

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FS2540-7EPD8B2 数据手册

S Series Data Sheet

100 Watt AC-DC and DC-DC Converters

Functional Description

respect to the maximum admissible output currents, the control

signal for the primary switching transistor.

The input voltage is fed via an input fuse, an input filter, a bridge

rectifier (LS), 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

ripple smoothed by a power choke and output filter. The control

The second output of double-output models is controlled by the

main output but has independent current limiting. If the main output

is driven into current limitation, the second output voltage will fall as

well and vice versa.

logic senses the main output voltage V

and generates, with

03057-022706

Vi+

20 D/V

S+

Vo+

Vo–

Vi–

S–

–

Fig. 1

Block diagram of single output converters AS - LS1000

03058-022706

18 i

20 D

Vi+

Vo1+

Vo1–

Vo2+

Vi–

Vo2–

–

Fig. 2

Block diagram of symmetrical double output converters AS - LS2000

¹Transient suppressor (VDR) in CS, DS, ES, FS, LS models

²Suppressor diode in AS, BS, CS, FS models

³Inrush current limiter in CS, DS, ES, LS (NTC resistor or option E circuit)

⁴Bridge rectifier (LS only)

⁵LS models

APR 26, 2006 revised to SEP 25, 2006

Page 4 of 33

www.power-one.com

1 2 345 6 7...33

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