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Author:

任志德 (任志德.) | 郭春生 (郭春生.) | 林平分 (林平分.)

Indexed by:

CQVIP PKU CSCD

Abstract:

提出了一种带有阻抗衰减缓冲形式的LDO.在缓冲器的设计中,采用动态偏置并联反馈的结构来降低其输出阻抗,进而降低静态电流,提高系统的瞬态响应.通过电流缓冲补偿结构,在环路单位增益带宽内实现了单极点,达到64°的相位裕度.在csmc 0.35 μm工艺下进行流片,结果表明,在无负载条件下,LDO具有18μA的静态电流,并能提供200 mA的负载电流,在全负载条件下电流转换效率为99.8%,能应用于多种带有锂离子电池的便携式器件中.

Keyword:

稳压器 并联反馈 缓冲器 静态电流

Author Community:

  • [ 1 ] [任志德]北京工业大学
  • [ 2 ] [郭春生]北京工业大学
  • [ 3 ] [林平分]北京工业大学

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Source :

微电子学

ISSN: 1004-3365

Year: 2015

Issue: 2

Volume: 45

Page: 225-227,232

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 3

Chinese Cited Count:

30 Days PV: 9

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