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A Model Study of an All-Digital, Discrete-Time and Embedded Linear Regulator

Authors
  • Nasir, Saad Bin
  • Raychowdhury, Arijit
Type
Preprint
Publication Date
Jan 03, 2015
Submission Date
Jan 03, 2015
Identifiers
arXiv ID: 1501.00579
Source
arXiv
License
Yellow
External links

Abstract

With an increasing number of power-states, finer- grained power management and larger dynamic ranges of digital circuits, the integration of compact, scalable linear-regulators embedded deep within logic blocks has become important. While analog linear-regulators have traditionally been used in digital ICs, the need for digitally implementable designs that can be synthesized and embedded in digital functional units for ultra fine- grained power management has emerged. This paper presents the circuit design and control models of an all-digital, discrete-time linear regulator and explores the parametric design space for transient response time and loop stability.

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