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ucc28180: Application note about topology

tateo yamashiro
Guru 10890 points
Part Number: UCC28180

Hi,

We got a question from the customer about UCC28180.
Could you help us?

[Question]
They would like to know about topology of UCC28180. Are there any application note about topology? They would like to know why the IC can improve power factor without sensing AC line. They already read datasheet 8.3.18, but they want to know more detail of topology.

Best Regards,
tateo