Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms
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United States of America Patent
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Apr 14, 2020
Grant Date -
Mar 15, 2018
app pub date -
Sep 28, 2017
filing date -
Apr 12, 2012
priority date (Note) -
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Abstract
System controller and method for regulating a power converter. For example, the system controller includes a first controller terminal and a second controller terminal. The system controller is configured to receive an input signal at the first controller terminal and generate a drive signal at the second controller terminal based at least in part on the input signal to turn on or off a transistor in order to affect a current associated with a secondary winding of the power converter. Additionally, the system controller is further configured to determine whether the input signal remains larger than a first threshold for a first time period that is equal to or longer than a first predetermined duration.
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