Flyback converter system and feedback controlling apparatus and method for the same
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United States of America Patent
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Aug 12, 2014
Grant Date -
Oct 20, 2011
app pub date -
Jan 24, 2011
filing date -
Apr 20, 2010
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Abstract
A flyback converter system and feedback controlling apparatus and method of operating the same are disclosed. The feedback controlling apparatus for the flyback converter system includes a primary feedback loop unit for generating a primary feedback signal, and a secondary feedback loop unit for generating a secondary feedback signal, a loop selector. In light-load conditions, the loop selector supplies the primary feedback signal to a PWM controller for feedback control, and the secondary feedback loop unit is disabled by a power monitor to save electrical energy.
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