Ultra-Low Quiescent Current Multi-Function Switching Circuit and Method for Connecting a Voltage Source to an Output Load with Deep Sleep Capability
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United States of America Patent
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Issued Date -
Oct 5, 2017
app pub date -
Jun 23, 2017
filing date -
Aug 26, 2014
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Abstract
Described are apparatus and methods for a load switch with reset and deep sleep capability. The slew rate control methods of the PMOS load switches contained in the load switch configuration is also described. A preferred slew rate control circuit includes a power PMOS transistor that is capable of handling load currents of several amperes along with an integrated controller. The integrated reset and deep sleep functions allow the user to control the basic timing control of the voltages that are required by the system and to save battery power in an extended deep sleep mode such as storage and shipping.
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