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UCC38050: Use of multiplier in UCC38050

Aneesh TS
Expert 1735 points
Part Number: UCC38050

Hi Friends,

Can anybody explain the use of Multiplier in PFC  internal architecture?

Regards

Aneesh

  • 0
    TI__Mastermind 34465 points
    Hello Aneesh,
    You can view a multiplier simply as the product of the voltage error amplifier output with the rectified AC line.
    This signal forces the current amplifier to track the rectified AC.
    Thus it provides a natural means of power factor correction.

    Regards
    John
  • 0 in reply to John Griffin1
    Expert 1735 points

    John Griffin1 said:
    Hello Aneesh,
    You can view a multiplier simply as the product of the voltage error amplifier output with the rectified AC line.
    This signal forces the current amplifier to track the rectified AC.
    Thus it provides a natural means of power factor correction.

    Regards
    John