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Inductor in PFS

Posted by: Kalpesh Diyora on 10/15/2012

Dear Sir,

 We are designing Power suppply with Using PFS boost stage.

In PFS boost stage Suggested Inductor Value by PI Expert Software is Nearer 400uh.

can we use 850uh or 1-2mh inductor instead suggested 400uh inductor by PI expert?. 





Submitted by PI-NANO on 10/16/2012


Inductor value suggested by PIExpert software is the minimimum value required. But you can always use higher inductance value. you can find more information in PFS application note. Please find the PFS application note at following location