BOOTSTRAP CIRCUIT WITHOUT A REGULATOR OR A DIODE
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United States of America Patent
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Issued Date -
Apr 19, 2012
app pub date -
Nov 25, 2010
filing date -
Oct 19, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A bootstrap circuit without a regulator and a diode includes a comparator, a first switch, and a capacitor. The comparator has a first terminal for receiving a reference voltage, a second terminal coupled to a bootstrap voltage output terminal of the bootstrap circuit, and a third terminal for outputting a switch control signal. The first switch has a first terminal for receiving an input voltage, a second terminal for receiving the switch control signal, and a third terminal coupled to the bootstrap voltage output terminal. The capacitor is coupled between a voltage switching terminal and the second terminal of the comparator.
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