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UCC28019A: power factor decrease at load transient

Part Number: UCC28019A

Dear Specialists,

My customer is considering UCC28019A and has a question.

I would be grateful if you could advise.

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Generally, when using a PFC controller, the power factor can be kept high.

When the load transient, the current may be distorted and the power factor decreases for a moment.

Even if this phenomenon occurs, the circuit will not be damaged.

Is this correct?

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I appreciate your great help in advance.

Best regards,

Shinichi