NDLI: Unified three-terminal switch model for current mode controls

Content Provider	IEEE Xplore Digital Library
Author	Yingyi Yan Lee, F.C.
Copyright Year	2010
Description	Author affiliation: Center for Power Electronics Systems, The Bradley Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Blacksburg, 24061 USA (Yingyi Yan; Lee, F.C.)
Abstract	Current mode controls including constant frequency peak-current mode control, valley-current mode control, charge control as well as variable frequency constant on-time control and constant off-time control, have been widely used in many power converter topologies. However, no unified model is available to provide an accurate and simple equivalent circuit for these control schemes. This paper presents a unified three-terminal switch model for current mode controls. By identifying the invariant three-terminal structure in current mode control PWM converters, which consists of active switch, passive switch, inductor and closed current loop, the terminal current and voltage relationships are studied and represented by an equivalent circuit. A small signal model for a current mode control PWM converter, which is good beyond half of switching frequency for forementioned control schemes, can be obtained by a simple cyclic permutation and substitution of the PWM switch with its equivalent circuit.
Starting Page	1965
Ending Page	1972
File Size	1087120
Page Count	8
File Format	PDF
ISBN	9781424452866
DOI	10.1109/ECCE.2010.5618130
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Three-terminal switch model Current mode control Switches Equivalent circuit Integrated circuit modeling Voltage control Equivalent circuits Switching circuits
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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