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Boost topologies in interleaved operation under sliding-mode control are analyzed in this paper. First, the interleaving connection of two identical boost converters results in a new step-up structure whose closed-loop dynamics are asymptotically stable with good start-up and excellent load regulation when a self-oscillating sliding-mode control is applied to the converter. For a duty cycle of 50%, the new regulator acts as a small-ripple voltage doubler. Later, an extension of the voltage doubler yields a voltage quadrupler with similar dynamic characteristics. Simulated and experimental results verify the theoretical predictions.
Published in:
Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on
(Volume:47
,
Issue:
9
)
Date of Publication: Sep 2000
- Page(s):
- 1330 - 1339
- ISSN :
- 1057-7122
- INSPEC Accession Number:
- 6775646
- Digital Object Identifier :
- 10.1109/81.883328
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Sep 2000
- Sponsored by :
- IEEE Circuits and Systems Society
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