Modeling And Analysis Of Digital Linear Dropout Regulators With Adaptive Control For High Efficiency Under Wide Dynamic Range Digital Loads
DATE '14: Proceedings of the conference on Design, Automation & Test in Europe（2014）
摘要
Discrete time digital linear regulators, including low dropout regulators (LDOs) have become competitive in muti-Vcc digital systems for fine-grained spatio-temporal voltage regulation and distribution. However, wide dynamic current range of the digital load circuits poses serious problems in maintaining stability and high efficiency at all corners. In this paper we present a control model for discrete time LDOs and demonstrate how online adaptive control can be employed for consistent performance and high efficiency across the load current range.
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关键词
adaptive control,circuit stability,digital circuits,digital control,discrete time systems,electric current control,linear systems,load regulation,voltage control,LDO,adaptive control,discrete time digital linear dropout regulator,fine-grained spatiotemporal voltage distribution,fine-grained spatiotemporal voltage regulation,low dropout regulator,mutiVcc digital system,stability,wide dynamic range digital load,
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