{"title":"Digital Pulse-Frequency/Pulse-Amplitude Modulator for Improving Efficiency of SMPS Operating Under Light Loads","authors":"N. Rahman, K. Wang, A. Prodic","doi":"10.1109/COMPEL.2006.305667","DOIUrl":null,"url":null,"abstract":"In this paper we show a novel digital control method for improving efficiency of SMPS operating at light loads and demonstrate its hardware implementation. In discontinuous conduction mode (DCM) it simultaneously performs a change of switching frequency and peak amplitude of the inductor current in order to achieve better efficiency than conventional pulse-frequency modulator solutions. Supporting analysis, simulations, and experimental results verify advantages of this control method","PeriodicalId":210889,"journal":{"name":"2006 IEEE Workshops on Computers in Power Electronics","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2006-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"13","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2006 IEEE Workshops on Computers in Power Electronics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/COMPEL.2006.305667","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 13
Abstract
In this paper we show a novel digital control method for improving efficiency of SMPS operating at light loads and demonstrate its hardware implementation. In discontinuous conduction mode (DCM) it simultaneously performs a change of switching frequency and peak amplitude of the inductor current in order to achieve better efficiency than conventional pulse-frequency modulator solutions. Supporting analysis, simulations, and experimental results verify advantages of this control method
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