Article(id=1322531579633717370, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1322531529172046652, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2026.4.11, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1704816000000, receivedDateStr=2024-01-10, revisedDate=1709222400000, revisedDateStr=2024-03-01, acceptedDate=1709568000000, acceptedDateStr=2024-03-05, onlineDate=1793245700032, onlineDateStr=2026-10-29, pubDate=1777478400000, pubDateStr=2026-04-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793245700032, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793245700032, creator=13701087609, updateTime=1793245700032, updator=13701087609, issue=Issue{id=1322531529172046652, tenantId=1146029695717560320, journalId=1146031654075715584, year='2026', volume='24', issue='4', pageStart='1', pageEnd='352', issueExtLink='null', onlineDate='null', pubDate='1777478400000', pubDateStr='2026-04-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793245688002, creator='13701087609', updateTime=1793245688002, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=11, endPage=18, ext={EN=ArticleExt(id=1322531579889569915, articleId=1322531579633717370, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Design of Transient Enhanced Capacitor-less LDO with Low Power Consumption, columnId=1321491621716279957, journalTitle=Journal of Power Supply, columnName=Power Converter Topologies, runingTitle=null, highlight=null, articleAbstract=

To solve the problem of poor transient response of a traditional capacitor-less low dropout linear regulator (LDO), a transient enhanced capacitor-less LDO with low power consumption was proposed, which used a push-pull Class AB operational amplifier as an error amplifier to improve the charging and discharging rate of current at the gate of a power tube. In addition, a novel type of transient enhanced circuit was designed in the LDO to detect the fluctuation of load current under the premise of low power consumption and provide extra charging and discharging current for the gate of the power tube, so as to reduce the transient fluctuation of output voltage. Based on the 0.18 μm CMOS process, the circuit, layout and simulation of the LDO were completed. Simulation results show that the output voltage of LDO was 1.5 V in the input voltage range of 1.6–4 V. Under the rated input voltage, the static current was 9.4 μA, the load current varied in the range of 0–50 mA, the output overshoot voltage and undershoot voltage of the LDO were 56 mV and 55 mV, respectively, and the stable time was within 1.7 μs. In the full-load range of 0–50 mA, the output overshoot voltage and undershoot voltage of the LDO were reduced, and the transient performance was greatly improved. As a result, the designed LDO can meet the application requirements.

, authors=Junlong TANG1, Che YU1, Hao GUAN1, Wanghui ZOU1, Hua YU2, authorsList=Junlong TANG, Che YU, Hao GUAN, Wanghui ZOU, Hua YU, authorCompany=null, correspAuthors=Junlong TANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322531580250280060, articleId=1322531579633717370, tenantId=1146029695717560320, journalId=1146031654075715584, language=CN, title=一种低功耗瞬态增强的无片外电容LDO的设计, columnId=1321491623763100311, journalTitle=电源学报, columnName=电力电子变换器拓扑, runingTitle=null, highlight=null, articleAbstract=

针对传统无片外电容型低压差线性稳压器LDO(low dropout linear regulator)的瞬态响应较差的问题,设计了1种低功耗瞬态增强的无片外电容型LDO,采用推挽式AB类运算放大器作为误差放大器来提高功率管栅极处的电流充放电速率,并且在LDO中设计了1种新型的瞬态增强电路,在低功耗的前提下感应负载电流的波动,为功率管栅极提供额外的充放电电流,减小输出电压的瞬态波动。基于0.18 μm的CMOS工艺,完成电路设计、版图设计与仿真。仿真结果表明:在1.6~4.0 V的输入电压范围内,LDO的输出电压为1.5 V。在额定输入电压下,静态电流为9.4 μA,负载电流在0~50 mA范围内变化,该LDO输出的过冲电压和下冲电压分别为56 mV和55 mV,稳定时间在1.7 μs内。在0~50 mA的全负载范围内,降低了LDO输出的过冲电压与下冲电压,瞬态性能大幅提升,满足应用需求。

, authors=唐俊龙1, 于澈1, 关浩1, 邹望辉1, 喻华2, authorsList=唐俊龙, 于澈, 关浩, 邹望辉, 喻华, authorCompany=null, correspAuthors=唐俊龙, authorNote=

于澈(1996— ),男,硕士。研究方向:模拟集成电路设计。E-mail:。

关浩(1997— ),男,硕士。研究方向:模拟集成电路设计。E-mail:。

邹望辉(1978— ),男,博士,副教授。研究方向:模拟、混合集成电路设计。E-mail:。

喻华(1983— ),男,本科。研究方向:集成电路芯片设计。E-mail:。

, correspAuthorsNote=
唐俊龙(1973— ),男,通信作者,博士,副教授。研究方向:集成电路芯片设计。E-mail:。
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于澈(1996— ),男,硕士。研究方向:模拟集成电路设计。E-mail:。

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于澈(1996— ),男,硕士。研究方向:模拟集成电路设计。E-mail:。

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关浩(1997— ),男,硕士。研究方向:模拟集成电路设计。E-mail:。

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关浩(1997— ),男,硕士。研究方向:模拟集成电路设计。E-mail:。

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邹望辉(1978— ),男,博士,副教授。研究方向:模拟、混合集成电路设计。E-mail:。

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邹望辉(1978— ),男,博士,副教授。研究方向:模拟、混合集成电路设计。E-mail:。

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喻华(1983— ),男,本科。研究方向:集成电路芯片设计。E-mail:。

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喻华(1983— ),男,本科。研究方向:集成电路芯片设计。E-mail:。

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一种低功耗瞬态增强的无片外电容LDO的设计
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唐俊龙 1 , 于澈 1 , 关浩 1 , 邹望辉 1 , 喻华 2
电源学报 | 电力电子变换器拓扑 2026,24(4): 11-18
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电源学报 |电力电子变换器拓扑 2026 , 24 (4) : 11 -18
一种低功耗瞬态增强的无片外电容LDO的设计
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关浩(1997— ),男,硕士。研究方向:模拟集成电路设计。E-mail:。

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关浩(1997— ),男,硕士。研究方向:模拟集成电路设计。E-mail:。

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唐俊龙1 , 于澈1 , 关浩1 , 邹望辉1 , 喻华2
作者信息
  • 1.长沙理工大学物理与电子科学学院,长沙 410114
  • 2.广东华芯微特集成电路有限公司,长沙 410205
通讯作者:
唐俊龙(1973— ),男,通信作者,博士,副教授。研究方向:集成电路芯片设计。E-mail:。
作者简介:

于澈(1996— ),男,硕士。研究方向:模拟集成电路设计。E-mail:。

关浩(1997— ),男,硕士。研究方向:模拟集成电路设计。E-mail:。

邹望辉(1978— ),男,博士,副教授。研究方向:模拟、混合集成电路设计。E-mail:。

喻华(1983— ),男,本科。研究方向:集成电路芯片设计。E-mail:。

Design of Transient Enhanced Capacitor-less LDO with Low Power Consumption
Junlong TANG1 , Che YU1 , Hao GUAN1 , Wanghui ZOU1 , Hua YU2
Affiliations
  • 1.School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China
  • 2.Guangdong Synwit Integrated Circuit Co., Ltd., Changsha 410205, China
出版时间: 2026-04-30 doi: 10.13234/j.issn.2095-2805.2026.4.11
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针对传统无片外电容型低压差线性稳压器LDO(low dropout linear regulator)的瞬态响应较差的问题,设计了1种低功耗瞬态增强的无片外电容型LDO,采用推挽式AB类运算放大器作为误差放大器来提高功率管栅极处的电流充放电速率,并且在LDO中设计了1种新型的瞬态增强电路,在低功耗的前提下感应负载电流的波动,为功率管栅极提供额外的充放电电流,减小输出电压的瞬态波动。基于0.18 μm的CMOS工艺,完成电路设计、版图设计与仿真。仿真结果表明:在1.6~4.0 V的输入电压范围内,LDO的输出电压为1.5 V。在额定输入电压下,静态电流为9.4 μA,负载电流在0~50 mA范围内变化,该LDO输出的过冲电压和下冲电压分别为56 mV和55 mV,稳定时间在1.7 μs内。在0~50 mA的全负载范围内,降低了LDO输出的过冲电压与下冲电压,瞬态性能大幅提升,满足应用需求。

低功耗  /  线性稳压器  /  无片外电容  /  瞬态增强

To solve the problem of poor transient response of a traditional capacitor-less low dropout linear regulator (LDO), a transient enhanced capacitor-less LDO with low power consumption was proposed, which used a push-pull Class AB operational amplifier as an error amplifier to improve the charging and discharging rate of current at the gate of a power tube. In addition, a novel type of transient enhanced circuit was designed in the LDO to detect the fluctuation of load current under the premise of low power consumption and provide extra charging and discharging current for the gate of the power tube, so as to reduce the transient fluctuation of output voltage. Based on the 0.18 μm CMOS process, the circuit, layout and simulation of the LDO were completed. Simulation results show that the output voltage of LDO was 1.5 V in the input voltage range of 1.6–4 V. Under the rated input voltage, the static current was 9.4 μA, the load current varied in the range of 0–50 mA, the output overshoot voltage and undershoot voltage of the LDO were 56 mV and 55 mV, respectively, and the stable time was within 1.7 μs. In the full-load range of 0–50 mA, the output overshoot voltage and undershoot voltage of the LDO were reduced, and the transient performance was greatly improved. As a result, the designed LDO can meet the application requirements.

Low power consumption  /  linear regulator  /  capacitor-less  /  transient enhancement
唐俊龙, 于澈, 关浩, 邹望辉, 喻华. 一种低功耗瞬态增强的无片外电容LDO的设计. 电源学报, 2026 , 24 (4) : 11 -18 . DOI: 10.13234/j.issn.2095-2805.2026.4.11
Junlong TANG, Che YU, Hao GUAN, Wanghui ZOU, Hua YU. Design of Transient Enhanced Capacitor-less LDO with Low Power Consumption[J]. Journal of Power Supply, 2026 , 24 (4) : 11 -18 . DOI: 10.13234/j.issn.2095-2805.2026.4.11
  • 柔性电子材料基因工程湖南省重点实验室开放基金资助项目(202015)
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2026年第24卷第4期
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doi: 10.13234/j.issn.2095-2805.2026.4.11
  • 接收时间:2024-01-10
  • 首发时间:2026-10-29
  • 出版时间:2026-04-30
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  • 收稿日期:2024-01-10
  • 修回日期:2024-03-01
  • 录用日期:2024-03-05
基金
Open Research Fund of Hunan Provincial Key Laboratory of Flexible Electronic Materials Genome Engineering(202015)
柔性电子材料基因工程湖南省重点实验室开放基金资助项目(202015)
作者信息
    1.长沙理工大学物理与电子科学学院,长沙 410114
    2.广东华芯微特集成电路有限公司,长沙 410205

通讯作者:

唐俊龙(1973— ),男,通信作者,博士,副教授。研究方向:集成电路芯片设计。E-mail:。
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