Multi-loop control for quasi-resonant converters

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dc.contributor.assigneeVirginia Tech Intellectual Properties, Inc.en
dc.contributor.inventorLee, Fred C.en
dc.contributor.inventorRidley, Raymond B.en
dc.date.accessed2016-08-19en
dc.date.accessioned2016-08-24T17:53:55Zen
dc.date.available2016-08-24T17:53:55Zen
dc.date.filed1988-04-11en
dc.date.issued1989-09-12en
dc.description.abstractA multi-loop controller for controlling a quasi-resonant converter having a power switch, a filter inductor and an output voltage. The controller includes a sensor circuit for sensing the output voltage of the converter. A detector monitors the filter inductor current of the converter. The output voltage is compared with a known reference voltage to develop a control error voltage when the output voltage exceeds the reference voltage. A comparing circuit then compares the inductor current with the control error voltage and produces a control signal when a predetermination relationship has been detected. Finally, an activating circuit responsive to the control signal turns the power switch on.en
dc.format.mimetypeapplication/pdfen
dc.identifier.applicationnumber7179927en
dc.identifier.patentnumber4866367en
dc.identifier.urihttp://hdl.handle.net/10919/72352en
dc.identifier.urlhttp://pimg-fpiw.uspto.gov/fdd/67/663/048/0.pdfen
dc.language.isoen_USen
dc.publisherUnited States Patent and Trademark Officeen
dc.subject.cpcH02M3/33507en
dc.subject.cpcH02M3/1563en
dc.subject.cpcY02B70/1425en
dc.subject.cpcY02B70/1433en
dc.subject.uspc323/287en
dc.subject.uspcother323/290en
dc.subject.uspcother363/21.4en
dc.titleMulti-loop control for quasi-resonant convertersen
dc.typePatenten
dc.type.dcmitypeTexten
dc.type.patenttypeutilityen

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