Novel Low-Power DC–DC Converter Using High-Efficiency Charge Pump Circuits for Flat Panel Displays
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概要
- 論文の詳細を見る
A novel design for a low-power DC–DC converter using high-efficiency charge pump circuits for flat panel displays (FPDs) is proposed. The designed converter uses a variable voltage level shifter to decrease the conduction power loss of the charge pump circuit. The output voltage and the output current of the proposed DC–DC converter consisting of five charge pump circuits operating at 3.3 V are 17 V and 10 mA, respectively. The power efficiency and the ripple voltage of the designed charge pump circuits are 84.9% and 65 mV, respectively, which is a significant enhancement over those of Dickson charge pump circuits. These results indicate that our newly designed, low-power DC–DC converter using high-efficiency charge pump circuits holds promise for potential applications in mobile devices fabricated using FPDs operating at low voltages.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-12-15
著者
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Shin Hong
Research Institute of Information Display, Division of Electronics and Computer Engineering, Hanyang University, 17 Haengdang-dong, Seongdong-gu, Seoul 133-791, Korea
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Kim Tae
Research Center for Time-domain Nano-functional Devices and School of Electrical Engineering, Korea University, Seoul 136-701, Korea
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Kwack Kae
Research Institute of Information Display, Division of Electronics and Computer Engineering, Hanyang University, 17 Haengdang-dong, Seongdong-gu, Seoul 133-791, Korea
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Kim Tae
Research Institute of Information Display, Division of Electronics and Computer Engineering, Hanyang University, 17 Haengdang-dong, Seongdong-gu, Seoul 133-791, Korea
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- Novel Low-Power DC–DC Converter Using High-Efficiency Charge Pump Circuits for Flat Panel Displays