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Title: Spurious modulation on current-mode controlled dc/dc converters : an explanation for intermittent chaotic operation
Authors: Wong, SC 
Tse, CKM 
Tam, KC
Keywords: Switching power converters
Current-mode control
Intermittent chaos
Issue Date: 2004
Publisher: IEEE
Source: Proceedings of 2004 IEEE International Symposium on Circuits and Systems, May 23-26, 2004, Vancouver, British Columbia, Canada, p. V-852-855 How to cite?
Abstract: In this paper, we explain the mechanism that causes "intermittent" instability and chaos in a current-mode controlled switching converter. The circuit model used to study the phenomenon incorporates a coupling process through which a spurious signal is coupled to the current sensing and ramp compensation circuitry, resulting in a modulation of the compensation slope which causes the system to become unstable intermittently. We describe a way to find the parameter boundaries where intermittent chaotic operation emerges.
ISBN: 0-7803-8251-X
Rights: © 2004 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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