Control circuit for power supply including a detection circuit and a regulation circuit for regulating switching timing
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United States of America Patent
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Apr 15, 2014
Grant Date -
Feb 2, 2012
app pub date -
Apr 15, 2011
filing date -
Jul 30, 2010
priority date (Note) -
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Abstract
A control circuit for controlling a power supply including a first switch and a second switch coupled in series between a first potential and a second potential. The control circuit includes a detection circuit that detects a magnitude relation of a voltage value at a node between the first and second switches and a reference value during a period in which the first switch and the second switch are inactivated. The detection circuit generates a control signal corresponding to the magnitude relation. A regulation circuit regulates a switching timing of the second switch in response to the control signal to decrease a difference between the voltage value at the node and the reference value.
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