Accurate Dead-Time Control for Synchronous Buck Converter With Fast Error Sensing Circuits

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Dead-time controls for synchronous buck converter are challenging due to the difficulties in accurate sensing and processing the on/off dead-time errors. For the control of dead-times, an integral feedback control using switched capacitors and a fast timing sensing circuit composed of MOSFET differential amplifiers and switched current sources are proposed. Experiments for a 3.3 V input, 1.5 V-0.3 A output converter demonstrated 1.3 similar to 4.6% efficiency improvement over a wide load current range.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2013-11
Language
English
Article Type
Article
Keywords

DC-DC CONVERTERS

Citation

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS, v.60, no.11, pp.3080 - 3089

ISSN
1549-8328
DOI
10.1109/TCSI.2013.2252451
URI
http://hdl.handle.net/10203/201509
Appears in Collection
NE-Journal Papers(저널논문)EE-Journal Papers(저널논문)
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