FEEDBACK DETECTION CIRCUIT
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United States of America Patent
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Issued Date -
Mar 6, 2014
app pub date -
Sep 6, 2012
filing date -
Sep 6, 2012
priority date (Note) -
Abandoned
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Abstract
Disclosed is a feedback detection circuit, adapted to provide a feedback detection signal wherein a converting circuit provides a driving power source to drive a load according to the feedback detection signal. The feedback detection circuit comprises an operational conversion circuit and a signal limitation circuit. The operational conversion circuit generates the feedback detection signal in response to a level of a detected node of the load. The operational conversion circuit has an operational amplifier, which modulates the level of the feedback detection signal in response to the level of the detected node. The signal limitation circuit is coupled to the operational conversion circuit for clamping a level rang of the feedback detection signal.
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