Stability enhancement apparatus and method for a self-clocking PWM buck converter
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United States of America Patent
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Issued Date -
Feb 12, 2009
app pub date -
Sep 28, 2007
filing date -
Aug 10, 2007
priority date (Note) -
Abandoned
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Abstract
A DCR detecting circuit is parallel connected to the inductor of a self-clocking PWM buck converter which performs a trigger control of a PWM signal by an output feedback, to detect the current signal on the inductor to provide a large enough ripple to be combined into the output feedback, so as to enhance the system stability, while remains the small output ripple, without additional power loss.
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