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Generation of Optimal Voltage Reference for Digital Control-Based Switching Power Supply

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4 Author(s)
S. Hashimoto ; Dept. of Electron. Eng., Gunma Univ., Kiryu, Japan ; S. Naka ; U. Sosorhang ; N. Honjo

Digital control of a general-purpose switching power supply is one of the key technologies to perform the high reliability and the intelligent function demanded for the next generation. The contribution of this paper is the development of a digital control-based switching power supply. In the developed system, the generation method of the optimal voltage reference in accordance with the output voltage oscillation due to the AD/DA resolution is proposed. In the proposed method, the variation of the input power supply can be also compensated. The effectiveness of the proposed optimal reference generation method is experimentally verified.

Published in:

Power and Energy Engineering Conference (APPEEC), 2011 Asia-Pacific

Date of Conference:

25-28 March 2011