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20 May 2016, 8:39

Reference Design of AC/DC Converter Using FSGM300N Green-Mode Power Switch

The reference design of AC/DC Converter (Power Supply) Using FSGM300N Green-Mode Fairchild Power Switch (FPS) was converted into DesignSpark PCB format and you may download the project’s files and BOM list in the Download section at the bottom.

  • AC Input Voltage: 85VRMS – 265VRMS
  • One DC Output: 13.7V @ 1.5A (switchable to 10.7V)
  • AC Input Voltage: 85VRMS – 265VRMS

This project describes the proposed solution for an universal input 20W AC/DC converter (power supply) using FSGM300N Green-Mode Fairchild Power Switch (FPSTM). The input voltage range is 85VRMS – 265VRMS and there is one DC output with 13.7V @ 1.5A (switchable to 10.7V). 

Schematic of FSGM300N Switch

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PCB layout of FSGM300N Switch

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3D view of FSGM300N Switch

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BOM list of the board (Key Components):

RS Part Number

Manufacturer Part Number

Manufacturer

Description

8007412

FSGM300N

Fairchild Semiconductor

Dual Intelligent Power Switch, Power Interface Switch

698-0075

RS-0805

RS

Resistor

464-6701

08055C

AVX

Capacitor

5449444

BC858BLT1G

ON Semiconductor

PNP transistor

7613363

DF10S

Fairchild Semiconductor

Diode

6711374

FOD2741B

Fairchild Semiconductor

Optocoupl DC-IN 1-CH Trans DC-OUT 8-PDIP

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20 May 2016, 8:39