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http://dx.doi.org/10.6113/JPE.2013.13.6.991

Fast Transient Buck Converter Using a Hysteresis PWM Controller  

Liu, Yong-Xiao (College of Electrical Engineering, Shanghai University of Electric Power)
Zhao, Jin-Bin (College of Electrical Engineering, Shanghai University of Electric Power)
Qu, Ke-Qing (College of Electrical Engineering, Shanghai University of Electric Power)
Publication Information
Journal of Power Electronics / v.13, no.6, 2013 , pp. 991-999 More about this Journal
Abstract
In this paper, a fast transient buck converter using hysteresis PWM control is presented. The proposed control method is based on hysteresis control of the capacitor C voltage. This offers a faster transient response to meet the challenges of the power supply requirements for fast dynamic input and load changes. It also provides better stability and solves the compensation problem of the error amplifier in conversional voltage PWM control. Finally, the steady-state and dynamic operation of the proposed control method are analyzed and verified by simulation and experimental results.
Keywords
Fast transient response; Feedback; Feed-forward; Hysteresis control;
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Times Cited By KSCI : 2  (Citation Analysis)
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