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一种基于LDO线性稳压器的放大器设计

樊华 冯全源

半导体学报2005,Vol.26Issue(10):1905-1909,5.
半导体学报2005,Vol.26Issue(10):1905-1909,5.

一种基于LDO线性稳压器的放大器设计

Design of an OP-AMP Based on a LDO Regulator

樊华 1冯全源1

作者信息

  • 1. 西南交通大学微电子研究所,成都,610031
  • 折叠

摘要

Abstract

An operational amplifier (OP-AMP) with a ground current of about 0.6μA is presented.Moreover,this amplifier reaps the benefits of incorporating a foldback current limiting circuit,which enables the low-dropout voltage regulator without the need of a special current limiting subblock.Therefore,the object of ultra-low power is realized because of a great reduction in transistors and current limbs.

关键词

运算放大器/地电流/LDO/foldback过流保护

Key words

operational amplifier/ground current/LDO/foldback current limiter

分类

信息技术与安全科学

引用本文复制引用

樊华,冯全源..一种基于LDO线性稳压器的放大器设计[J].半导体学报,2005,26(10):1905-1909,5.

基金项目

国家自然科学基金资助项目(批准号:60371017) (批准号:60371017)

半导体学报

OA北大核心CSCD

1674-4926

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