{"title":"Voltage regulator module (VRM) transient modeling and analysis","authors":"P. Wong, F. Lee, Xunwei Zhou, Jiabin Chen","doi":"10.1109/IAS.1999.805965","DOIUrl":null,"url":null,"abstract":"In this paper, the transient response of the voltage regulator module (VRM) output voltage when the processor has a sudden load change is analyzed. The parasitic parameters play important roles in the transient. The system can be divided into several resonant loops. Each loop can be considered approximately as a decoupled second order system. The voltage drop of the capacitor is analyzed. By reducing the inductance and increasing converter bandwidth, the transient of VRM can be improved.","PeriodicalId":125787,"journal":{"name":"Conference Record of the 1999 IEEE Industry Applications Conference. Thirty-Forth IAS Annual Meeting (Cat. No.99CH36370)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1999-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"33","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conference Record of the 1999 IEEE Industry Applications Conference. Thirty-Forth IAS Annual Meeting (Cat. No.99CH36370)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IAS.1999.805965","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 33
Abstract
In this paper, the transient response of the voltage regulator module (VRM) output voltage when the processor has a sudden load change is analyzed. The parasitic parameters play important roles in the transient. The system can be divided into several resonant loops. Each loop can be considered approximately as a decoupled second order system. The voltage drop of the capacitor is analyzed. By reducing the inductance and increasing converter bandwidth, the transient of VRM can be improved.
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