Low leakage current switch controller
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United States of America Patent
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Nov 17, 2020
Grant Date -
Oct 19, 2017
app pub date -
Feb 28, 2017
filing date -
Feb 29, 2016
priority date (Note) -
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Abstract
Low leakage current switch controller. In some embodiments, a controller for a radio-frequency switch can include a low-dropout regulator configured to generate a plurality of reference voltage levels for operation of a switch, or to be in a sleep mode to conserve power, based on a control signal received through a common input node. The controller can further include a mode detector in communication with the low-dropout regulator, and be configured to provide a first form of the control signal to the common input node to allow the plurality of reference levels to be generated by the low-dropout regulator, or a second form of the control signal to the common input node to put the low-dropout regulator in the sleep mode.
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