Level switching circuit and method for controlling rail-to-rail enabling signal
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United States of America Patent
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Jul 28, 2015
Grant Date -
Sep 12, 2013
app pub date -
Mar 7, 2013
filing date -
Mar 7, 2013
priority date (Note) -
Withdrawn
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Abstract
This document discusses, among other things, methods for controlling a Rail-to-Rail enabling signal, including providing a first signal of an input signal of a control circuit to a level switching circuit, performing, by the level switching circuit, enabling control according to a high level and a low level of the first signal, and outputting, by the level switching circuit, a disabling signal in case of a failure of a power supply coupled to the level switching circuit. The document also discusses a circuit for controlling a Rail-to-Rail enabling signal and a level switching circuit configured to output a disabling signal properly to provide an accurate enabling control signal for equipment operated under control of an enabling control in case of the failure of the power supply.
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