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US Patent 9866108 PFC shutdown circuit for light load

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Patent Applicant
Power Integrations
Power Integrations
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9866108
Date of Patent
January 9, 2018
Patent Application Number
14876734
Date Filed
October 6, 2015
Patent Citations Received
‌
US Patent 12095381 Three phase bidirectional AC-DC converter with bipolar voltage fed resonant stages
3
‌
US Patent 12095377 Discharge prevention of the power switch in a power converter
4
Patent Primary Examiner
‌
Yusef Ahmed
Patent abstract

A power converter includes a front end stage having a power factor correction controller, an output stage with a DC/DC controller, and light load detection circuitry coupled to detect relatively low power consumption by a load on an output of the output stage. In response to the detection, the power factor correction controller in the front end stage is turned off.

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