Variable reference signal generator used with switching mode power supply and the method thereof
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United States of America Patent
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Dec 12, 2017
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Nov 10, 2015
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Nov 21, 2014
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Abstract
A reference signal generator used with a switching mode power supply which converts an input voltage to an output voltage. The reference signal generator provides a reference signal consisting of a constant voltage signal and a variable voltage signal which is varying according to a duty cycle of the switching mode power supply during a startup period of the switching mode power supply and is varying according to a ratio of the input voltage at an end of the startup period to the input voltage of real time after the startup period.
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