Referenced Items are not available for this document.
Digital controllers are often used in interleaved multiphase DC-DC converters for voltage regulator modules. A dynamic, discrete-time model is required for frequency-domain characterisation and subsequent controller design. An exact, small-signal model for a general multiphase converter is presented that is suitable for direct digital design. The proposed model is verified for a dual-phase buck converter, using hardware measurements and numerical simulation. The open loop control-to-output and the closed-loop transfer functions predicted by the proposed method match those extracted from an average-value model and network analyser, respectively.
Published in:
Electronics Letters
(Volume:47
,
Issue:
4
)
Date of Publication: February 17 2011
- Page(s):
- 280 - 281
- ISSN :
- 0013-5194
- INSPEC Accession Number:
- 11821838
- Digital Object Identifier :
- 10.1049/el.2010.3614
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 24 February 2011
- Issue Date :
- February 17 2011
- Sponsored by :
- Institution of Engineering and Technology
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