Modeling Current-Programmed Buck and Boost Regulators
- Creators
- Middlebrook, R. D.
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.
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.Attached Files
Published - 00021871.pdf
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Additional details
- Eprint ID
- 63102
- Resolver ID
- CaltechAUTHORS:20151221-094949240
- GTE Communication Systems Corporation
- Emerson Electric Company
- IBM Tucson
- Motorola Government Electronics Division
- Created
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2015-12-22Created from EPrint's datestamp field
- Updated
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2021-11-10Created from EPrint's last_modified field