Device and method for controlling flyback converter

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10333417
APP PUB NO 20180294734A1
SERIAL NO

15944812

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Abstract

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A control device, which is applied to a flyback converter including an auxiliary switch, includes: an on-time setter, configured to set an on-time threshold according to a reference value and an output voltage of the flyback converter; and an on-time controller, configured to output a control signal to turn on the auxiliary switch, and turn off the auxiliary switch when on-time of the auxiliary switch reaches the on-time threshold. According to the present disclosure, it is able to achieve zero voltage switching of a primary-side switch of the flyback converter with variable outputs.

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Patent Owner(s)

  • DELTA ELECTRONICS (SHANGHAI) CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Song, Haibin Shanghai, CN 41 237
Xu, Daofei Shanghai, CN 40 156
Zhang, Jinfa Shanghai, CN 119 362

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