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How i can calculate the l and c value (designing a smps)?

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parthaarathi

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emi/emc filter

Hello friends,

I am designing a smps using a topswitch from powerintegration.
My input voltage range is 100-310V and my switching frequency is 130KHz i want to insert a emi filter at the input side. How i can calculate the l and c value .

Thank u
 

Re: emi/emc filter

This can get you started.

Code: 
http://www.fairchildsemi.com/an/AN/AN-42007.pdf

Code: 
http://www.onsemi.com/pub/Collateral/AND8032-D.PDF

Code: 
http://pearlx.snu.ac.kr/Publication/iecec9901.pdf
 
Re: emi/emc filter

Hello friend,

Thank u for the information.Its really nice pdf's i am reading it.

Thank u
 

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