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Characteristic frequencies in averaged description of step-down (BUCK) DC-DC power converter

Characteristic frequencies in averaged description of step-down (BUCK) DC-DC power converter Abstract In the description of small-signal transmittances of switch-mode power converters several characteristic frequencies are usually used, corresponding to poles and zeros of transmittances. The knowledge of these frequencies is important in the design of control circuits for converters and usually are assumed to be constant for a given power stage of a converter. The aim of the paper is to evaluate the influence of converter primary parameters and load conductance on characteristic frequencies. Analytical derivations and numerical calculations are performed for an ideal and non-ideal BUCK converter working in continuous or discontinuous conduction mode. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Electrical Engineering de Gruyter

Characteristic frequencies in averaged description of step-down (BUCK) DC-DC power converter

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Publisher
de Gruyter
Copyright
Copyright © 2016 by the
ISSN
2300-2506
eISSN
2300-2506
DOI
10.1515/aee-2016-0049
Publisher site
See Article on Publisher Site

Abstract

Abstract In the description of small-signal transmittances of switch-mode power converters several characteristic frequencies are usually used, corresponding to poles and zeros of transmittances. The knowledge of these frequencies is important in the design of control circuits for converters and usually are assumed to be constant for a given power stage of a converter. The aim of the paper is to evaluate the influence of converter primary parameters and load conductance on characteristic frequencies. Analytical derivations and numerical calculations are performed for an ideal and non-ideal BUCK converter working in continuous or discontinuous conduction mode.

Journal

Archives of Electrical Engineering – de Gruyter

Published: Dec 1, 2016

References

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