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Influence of output conductance on characteristic frequencies of switch mode BUCK and BOOST converter

Influence of output conductance on characteristic frequencies of switch mode BUCK and BOOST... Abstract Characteristic frequencies corresponding to poles and zeros of small-signal control-to-output transfer functions of popular DC-DC converters (BUCK and BOOST) are analyzed. The main attention is paid to influence of load conductance on the characteristic frequencies for converters working in continuous conduction mode (CCM) as well as in discontinuous conduction mode (DCM). Parasitic resistances of all converter components are included in calculations. In addition the improved description of CCM-DCM boundary is presented. The calculations are verified experimentally and good consistency of the results is observed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Electrical Engineering de Gruyter

Influence of output conductance on characteristic frequencies of switch mode BUCK and BOOST converter

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Publisher
de Gruyter
Copyright
Copyright © 2017 by the
ISSN
2300-2506
eISSN
2300-2506
DOI
10.1515/aee-2017-0012
Publisher site
See Article on Publisher Site

Abstract

Abstract Characteristic frequencies corresponding to poles and zeros of small-signal control-to-output transfer functions of popular DC-DC converters (BUCK and BOOST) are analyzed. The main attention is paid to influence of load conductance on the characteristic frequencies for converters working in continuous conduction mode (CCM) as well as in discontinuous conduction mode (DCM). Parasitic resistances of all converter components are included in calculations. In addition the improved description of CCM-DCM boundary is presented. The calculations are verified experimentally and good consistency of the results is observed.

Journal

Archives of Electrical Engineeringde Gruyter

Published: Mar 1, 2017

References