CONTROL CIRCUIT, SWITCHING CONVERTER AND ASSOCIATED METHOD
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United States of America Patent
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Issued Date -
Apr 30, 2015
app pub date -
Oct 29, 2014
filing date -
Oct 29, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A control circuit and a control method for a switching converter. The control circuit has a clock circuit and a comparing circuit. The clock circuit is configured to generate a clock signal to make at least one switch to operate in a first state once a rising edge of the clock signal arrives. The comparing circuit is configured to compare a feedback signal with a reference signal to generate a comparing signal, and wherein the comparing signal is configured to make the at least one switch to start to operate in a second state when the feedback signal is larger than the reference signal. The control circuit makes a switching converter to operate in a high dynamic speed with a constant switching frequency.
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