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Frequency issue with ADP1048

Question asked by GB32 on Aug 2, 2017
Latest reply on Aug 4, 2017 by GB32

Hello,

we have designed an interleaved PFC with ADP1048. I got a problem of frequencies:

-when the line is 50Hz, the ADP return me 35Hz

-when the line is 100Hz, it return 70Hz

-we set the fsw @ 97.66kHz and the PWM operate @ 139kHz

 

Is there somesing that can change the component "time base"?

 

Regards,

 

Guillaume

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