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Modeling Current-Programmed Buck and Boost Regulators

Middlebrook, R. D. (1989) Modeling Current-Programmed Buck and Boost Regulators. IEEE Transactions on Power Electronics, 4 (1). pp. 36-52. ISSN 0885-8993. http://resolver.caltech.edu/CaltechAUTHORS:20151221-094949240

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Abstract

A general small-signal model for current-programmed switching power stages is used for design-oriented analysis of a 150-W buck regulator and of a 280-W boost regulator. The model, into which the current-programming minor feedback loop is absorbed, exposes the desired tendency towards “constant” output current. The regulator voltage loop remains the only explicit feedback loop, allowing the regulator closed-loop properties to be easily obtained from those of the open-loop current-programmed power stage. The design-oriented analytic results allow easy inference of the effects of element changes on the regulator performance functions. Results are obtained for the regulator line-to-output transfer function (audio susceptibility) and output impedance.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1109/63.21871DOIArticle
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=21871PublisherArticle
Additional Information:© 1989 IEEE. Manuscript received May 4, 1988; revised August 9, 1988. This work was supported in part by GTE Communication Systems Corporation, Emerson Electric Company, IBM Tucson, and Motorola Government Electronics Division. This paper is a combination of two papers presented at the Power Electronics Show & Conference, October 1986, and the IEEE Applied Power Electronics Conference and Exposition, 1987.
Funders:
Funding AgencyGrant Number
GTE Communication Systems CorporationUNSPECIFIED
Emerson Electric CompanyUNSPECIFIED
IBM TucsonUNSPECIFIED
Motorola Government Electronics DivisionUNSPECIFIED
Record Number:CaltechAUTHORS:20151221-094949240
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20151221-094949240
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:63102
Collection:CaltechAUTHORS
Deposited By: Kristin Buxton
Deposited On:22 Dec 2015 19:43
Last Modified:22 Dec 2015 19:43

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