{"title":"A 110nA quiescent current buck converter with zero-power supply monitor and near-constant output ripple","authors":"Danzhu Lu, Suyi Yao, Bin Shao","doi":"10.1109/CICC.2015.7338393","DOIUrl":null,"url":null,"abstract":"A 110nA quiescent current (IQ) buck converter for ultra-low power application is presented. A novel zero IQ pull-down structure, which consists in native NMOS and PJEF, is proposed to achieve zero-power supply monitor and save the total IQ. Implemented in 0.35um CMOS process, the converter realizes 78% efficiency in 1uA load and over 90% for load range from 5uA to 100mA. With adaptive-bias hysteresis comparator according to the load condition, near-constant output ripple is achieved in full load range without any efficiency deterioration.","PeriodicalId":6665,"journal":{"name":"2015 IEEE Custom Integrated Circuits Conference (CICC)","volume":"85 1","pages":"1-4"},"PeriodicalIF":0.0000,"publicationDate":"2015-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 IEEE Custom Integrated Circuits Conference (CICC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CICC.2015.7338393","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
A 110nA quiescent current (IQ) buck converter for ultra-low power application is presented. A novel zero IQ pull-down structure, which consists in native NMOS and PJEF, is proposed to achieve zero-power supply monitor and save the total IQ. Implemented in 0.35um CMOS process, the converter realizes 78% efficiency in 1uA load and over 90% for load range from 5uA to 100mA. With adaptive-bias hysteresis comparator according to the load condition, near-constant output ripple is achieved in full load range without any efficiency deterioration.
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