Output switching circuit
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United States of America Patent
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Feb 17, 2015
Grant Date -
Mar 1, 2012
app pub date -
May 27, 2011
filing date -
Aug 31, 2010
priority date (Note) -
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Abstract
An output switching circuit includes a switching circuit having a first transistor connected to a high-voltage power supply, a second transistor connected to a low-voltage power supply, and an output terminal at a connection node between the first and second transistors; a comparison unit that compares an input signal with a feedback signal obtained by feedback of an output signal of the output terminal via a low-pass filter to generate a comparison signal; and a drive pulse generating unit that generates first drive pulses for driving the first transistor and second drive pulses for driving the second transistor in accordance with the comparison signal.
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