Systems and methods for constant current control with primary-side sensing and regulation in various operation modes
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United States of America Patent
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Dec 23, 2014
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app pub date -
Jun 3, 2011
filing date -
May 5, 2011
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Abstract
System and method for regulating a power converter. The system includes a first signal processing component configured to receive at least a sensed signal and generate a first signal. The sensed signal is associated with a primary current flowing through a primary winding coupled to a secondary winding for a power converter. Additionally, the system includes a second signal processing component configured to generate a second signal, an integrator component configured to receive the first signal and the second signal and generate a third signal, and a comparator configured to process information associated with the third signal and the sensed signal and generate a comparison signal based on at least information associated with the third signal and the sensed signal.
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