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A Versatile Step-Up/Step-Down Switched-Capacitor-Based DC-DC Converter
Chia-Ling WEI Lu-Yao WU Hsiu-Hui YANG Chien-Hung TSAI Bin-Da LIU Soon-Jyh CHANG
IEICE TRANSACTIONS on Electronics
Publication Date: 2008/05/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Electronic Circuits
DC-DC converter, switched-capacitor, step up, step down, efficiency,
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For battery-powered electronic products, one way to extend battery life is to use a versatile step-up/step-down DC-DC converter. A new versatile step-up/step-down switched-capacitor-based converter structure is proposed, and its efficiency is analyzed. In the step-down case, the efficiency is the same as, or even better than the efficiency of linear regulators.