{"title":"Multiple-loop control of DC-DC converters","authors":"S. Birca-Galateanu","doi":"10.1109/SCS.2003.1226956","DOIUrl":null,"url":null,"abstract":"A switching voltage regulator must show high efficiency, good regulation, low output-voltage ripple, and also stability and fast transient response. The use of additional feedback signal(s) from the inductance currents and capacitor voltages keeps the overall phase shift of the control-to-composite-feedback transfer function lower than -π/2. The error amplifier can be built to add only -π/2 phase shift and thus the switching power supply becomes unconditionally stable can have much faster transient response than single-feedback regulator. Another key condition for the stability of double dc-dc converters is the first-section LC-circuit damping.","PeriodicalId":375963,"journal":{"name":"Signals, Circuits and Systems, 2003. SCS 2003. International Symposium on","volume":"2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2003-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Signals, Circuits and Systems, 2003. SCS 2003. International Symposium on","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SCS.2003.1226956","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
A switching voltage regulator must show high efficiency, good regulation, low output-voltage ripple, and also stability and fast transient response. The use of additional feedback signal(s) from the inductance currents and capacitor voltages keeps the overall phase shift of the control-to-composite-feedback transfer function lower than -π/2. The error amplifier can be built to add only -π/2 phase shift and thus the switching power supply becomes unconditionally stable can have much faster transient response than single-feedback regulator. Another key condition for the stability of double dc-dc converters is the first-section LC-circuit damping.
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