{"title":"All-digital linear regulators with proactive and reactive gain-boosting for supply droop mitigation in digital load circuits","authors":"Saad Bin Nasir, A. Raychowdhury","doi":"10.1109/ISCAS.2016.7527206","DOIUrl":null,"url":null,"abstract":"This paper explores microarchitecture controlled proactive gain boosting as a means of lowering the effects of supply voltage droop in digital circuits powered by embedded, all-digital linear regulators. A behavioral power supply rejection model for all-digital linear regulator is presented. The presented regulator shows enhanced power supply rejection under increased operating frequency. Test-chip measurements in a 130nm CMOS process reveal more than 2X (4X) reduction in voltage droop (settling time) over purely reactive gain boosting.","PeriodicalId":6546,"journal":{"name":"2016 IEEE International Symposium on Circuits and Systems (ISCAS)","volume":"81 1","pages":"205-208"},"PeriodicalIF":0.0000,"publicationDate":"2016-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE International Symposium on Circuits and Systems (ISCAS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISCAS.2016.7527206","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
This paper explores microarchitecture controlled proactive gain boosting as a means of lowering the effects of supply voltage droop in digital circuits powered by embedded, all-digital linear regulators. A behavioral power supply rejection model for all-digital linear regulator is presented. The presented regulator shows enhanced power supply rejection under increased operating frequency. Test-chip measurements in a 130nm CMOS process reveal more than 2X (4X) reduction in voltage droop (settling time) over purely reactive gain boosting.
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