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公开(公告)号：US20180364748A1
公开(公告)日：2018-12-20
申请号：US15626425
申请日：2017-06-19
Applicant: Silicon Laboratories Inc.
Inventor： Li Wei , Steffen Skaug
CPC classification number: G05F1/575 , H02M3/158 , H02M2001/0025
Abstract: In an example, an apparatus includes: a pass device coupled between a supply voltage node and a load circuit and to provide a regulated voltage to the load circuit in response to a control signal received at a control terminal of the pass device; a first amplifier to compare a reference voltage to the regulated voltage and to output a comparison signal at a comparison node in response to the comparison; a second amplifier having an input device having a control terminal coupled to the comparison node to receive the comparison signal and to output the control signal to the pass device based at least in part in response to the comparison signal; and a feedback circuit to provide a feedback signal to the first amplifier based at least in part on a load current of the load circuit.
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公开(公告)号：US10175707B1
公开(公告)日：2019-01-08
申请号：US15626425
申请日：2017-06-19
Applicant: Silicon Laboratories Inc.
Inventor： Li Wei , Steffen Skaug
Abstract: In an example, an apparatus includes: a pass device coupled between a supply voltage node and a load circuit and to provide a regulated voltage to the load circuit in response to a control signal received at a control terminal of the pass device; a first amplifier to compare a reference voltage to the regulated voltage and to output a comparison signal at a comparison node in response to the comparison; a second amplifier having an input device having a control terminal coupled to the comparison node to receive the comparison signal and to output the control signal to the pass device based at least in part in response to the comparison signal; and a feedback circuit to provide a feedback signal to the first amplifier based at least in part on a load current of the load circuit.
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