Overcurrent protection circuit and switching power apparatus using the same
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United States of America Patent
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Jun 12, 2018
Issued Date -
N/A
app pub date -
Oct 19, 2015
filing date -
Oct 21, 2014
priority date (Note) -
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Abstract
An overcurrent protection circuit includes a voltage monitoring part configured to monitor an output voltage generated from a periodic switching operation of a switching output stage or a feedback voltage corresponding to the output voltage, a current monitoring part configured to monitor whether a current flowing through the switching output stage is under an overcurrent condition, and a protection operation part configured to perform an overcurrent protection operation in response to monitoring results of both the voltage monitoring part and the current monitoring part.
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