Switching mode power supply capable of achieving soft transition for valley switching, or performing valley locking
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United States of America Patent
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Dec 8, 2015
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N/A
app pub date -
Jul 16, 2014
filing date -
Jul 16, 2014
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Abstract
A quasi-resonant (QR) converter introduces soft transition for valley switching and valley locking. One exemplifying QR converter is capable of performing valley switching, but has the valley switching in a specific signal valley of one switching cycle softly transit to the valley switching in another signal valley of a later switching cycle, via at least one switching cycle performing no valley switching.
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