公开(公告)号：US20170115680A1

公开(公告)日：2017-04-27

申请号：US15400777

申请日：2017-01-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bin ZHOU ,  Vladimir KOIFMAN

IPC: G05F1/575

CPC classification number: G05F1/575 ,  G05F1/10 ,  G05F1/56 ,  G05F1/563 ,  G05F1/565 ,  G05F1/618

Abstract: A low dropout voltage regulator includes: a pass element connected between an input terminal and an output terminal of the low dropout voltage regulator; an error amplifier driving a control terminal of the pass element; a first compensation element connected to the output terminal of the low dropout voltage regulator; and a compensation circuit connected to a control terminal (of the first compensation element, wherein the compensation circuit is configured to control a trans-conductance of the first compensation element in accordance with a noise compensation criterion.