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A Novel Loop Gain-Adjusting Application Using LSB Tuning for Digitally Controlled DC–DC Power Converters

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4 Author(s)
Yu-Cheng Lin ; Power Electronics Laboratory, Department of Electrical Engineering, National Taiwan University , Taipei, Taiwan ; Dan Chen ; Yen-Tang Wang ; Wei-Hsu Chang

An application was proposed and implemented to digitally adjust the dc loop gain while keeping the loop stability behavior intact in dc converters. This is accomplished by tuning the least significant bit of the digital compensator. This can be done while the converter is in operation and, therefore, a converter with variable dc load line can be obtained. Experimental results verified the validity of the proposed method.

Published in:

IEEE Transactions on Industrial Electronics  (Volume:59 ,  Issue: 2 )