C. Stănescu, R. Iacob, C. Dinca, C. Caracas, O. Profirescu
{"title":"300mA adjustable LDO with 10µA ground current","authors":"C. Stănescu, R. Iacob, C. Dinca, C. Caracas, O. Profirescu","doi":"10.1109/SMICND.2010.5650532","DOIUrl":null,"url":null,"abstract":"This paper presents an adjustable 300mA CMOS LDO built in a double-metal 0.5µm 16V CMOS technology. It uses a low-current bandgap which needs only 1.5µA. It includes a symmetrical op amp configured as voltage follower, having a built-in adaptive bias behavior. The circuit consumes 10µA without load, less than 40 µA at full load, and uses a 1.25V voltage reference. Dropout voltage at 300mA is typical 200mV. Input voltage range is 2.3V to 7V.","PeriodicalId":377326,"journal":{"name":"CAS 2010 Proceedings (International Semiconductor Conference)","volume":"02 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"CAS 2010 Proceedings (International Semiconductor Conference)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SMICND.2010.5650532","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper presents an adjustable 300mA CMOS LDO built in a double-metal 0.5µm 16V CMOS technology. It uses a low-current bandgap which needs only 1.5µA. It includes a symmetrical op amp configured as voltage follower, having a built-in adaptive bias behavior. The circuit consumes 10µA without load, less than 40 µA at full load, and uses a 1.25V voltage reference. Dropout voltage at 300mA is typical 200mV. Input voltage range is 2.3V to 7V.
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