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Analysis of Pulse Bursting Phenomenon in Constant-On-Time-Controlled Buck Converter.
- Source :
-
IEEE Transactions on Industrial Electronics . Dec2011, Vol. 58 Issue 12, p5406-5410. 5p. - Publication Year :
- 2011
-
Abstract
- In this paper, the effect of equivalent series resistance (ESR) of an output capacitor on the performance of a constant-on-time (COT)-controlled buck converter is studied, and a pulse bursting phenomenon is revealed. It indicates that the ESR of the output capacitor is one of the key factors causing pulse bursting phenomenon in COT-controlled buck converters, and the critical ESR is derived via time-domain analysis and stability analysis in the s-domain. It is pointed out that, when the ESR of the output capacitor is smaller than the critical ESR, pulse bursting phenomenon occurs; otherwise, it disappears. Simulation and experimental results are provided to verify the theoretical analysis results. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02780046
- Volume :
- 58
- Issue :
- 12
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Industrial Electronics
- Publication Type :
- Academic Journal
- Accession number :
- 65935130
- Full Text :
- https://doi.org/10.1109/TIE.2011.2123861