Published 1987
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Modelling a current-programmed buck regulator
- Creators
- Middlebrook, R. D.
Chicago
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Abstract
A general small-signal model for current-programmed switching power stages is used for design-oriented analysis of a 150W buck 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
© 1987 IEEE. This work was conducted in part under the Power Electronics Program supported by a grant from GTE Communication Systems Corp., and under a contract from IBM Tucson.Attached Files
Published - 07067125.pdf
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07067125.pdf
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Additional details
- Eprint ID
- 58582
- Resolver ID
- CaltechAUTHORS:20150624-110102782
- GTE Communication Systems Corp.
- IBM Tucson
- Created
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2015-06-24Created from EPrint's datestamp field
- Updated
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2021-11-10Created from EPrint's last_modified field