UCD3138: UCD3138 emi filter design part

Mownika Gudupuru

Intellectual 330 points

Part Number: UCD3138

Hi team,

For UCD3138 single phase PFC, Could you elaborate on the EMI filter design part which is added before the rectifier ??

over 2 years ago

0 Ian Bower over 2 years ago

TI__Genius 17090 points

I'm not an EMI filter expert, but I do know that it is used to keep the high frequency component of the PFC impedance away from the AC line or mains circuit, as required by regulations in many countries. Here is an IEEE article which seems useful to my non-expert eyes.

https://ieeexplore.ieee.org/document/6388754

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UCD3138: UCD3138 emi filter design part