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Sub-harmonic oscillation is a key factor causing instability for current-mode controlled single-inductor dual-output (SIDO) Buck converter. To inhibit the sub-harmonic oscillation of the converter and to extend its stable operating range, the ramp compensation technique is introduced in this paper. The discrete iterative map model of current-mode controlled SIDO Buck converter with ramp compensation...
This paper presents a multiphase buck converter with optimum-damping-control and current-balanced techniques. The proposed optimum-damping-control and current-balanced techniques can achieve current balance to avoid output current flow in one phase. The phase controller is used to control multiphase buck converter. This configuration provides wide output current range from 400 mA to 4 A. It also has...
An approximate mapping is derived for a current-mode controlled buck convertor, leading to a stability criterion. Conditions are derived under which chaos in a strict sense occurs, and bounds on the inductor current are found.<<ETX>>
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