发明名称 LDO LIFE EXTENSION CIRCUITRY
摘要 Systems and methods relate to extending life of a low-dropout (LDO) voltage regulator. A differential amplifier of the LDO voltage regulator includes switches that can be selectively turned on or off. When the LDO voltage regulator is bypassed or turned off (or not active), a first switch is turned on to selectively couple gates of a first input transistor and a second input transistor of the differential amplifier, to maintain the gates at a same voltage. The first switch is turned off to decouple the gates when the LDO voltage regulator is active. Further, a second switch can be turned on or off to selectively couple or decouple, respectively, the gate of the second input transistor to an output voltage of the LDO voltage regulator, based on whether the LDO voltage regulator is active or not active, respectively.
申请公布号 WO2017030810(A1) 申请公布日期 2017.02.23
申请号 WO2016US45827 申请日期 2016.08.05
申请人 QUALCOMM INCORPORATED 发明人 PRICE, Burt Lee;SHAH, Dhaval Rajeshbhai;LIU, Jonathan
分类号 G05F1/565 主分类号 G05F1/565
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