Part Number
|
AN-4140 |
Manufacturer
|
Fairchild Semiconductor |
Description
|
Transformer Design Consideration |
Published
|
May 19, 2014 |
Detailed Description
|
www.fairchildsemi.com
AN-4140
Transformer Design Consideration for Offline Flyback Converters Using Fairchild Power Swi...
|
Datasheet
|
AN-4140
|
Overview
www.
fairchildsemi.
com
AN-4140
Transformer Design Consideration for Offline Flyback Converters Using Fairchild Power Switch (FPS ™)
1.
Introduction
For flyback coverters, the transformer is the most important factor that determines the performance such as the efficiency, output regulation and EMI.
Contrary to the normal transformer, the flyback transformer is inherently an inductor that provides energy storage, coupling and isolation for the flyback converter.
In the general transformer, the current flows in both the primary and secondary winding at the same time.
However, in the flyback transformer, the current flows only in the primary winding while the energy in the core is charged and in...
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