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一种提高效率和减小电压纹波的电荷泵
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2009-12-14
王兰
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一种提高效率和减小电压纹波的电荷泵:提出了一种经稳压后的电荷泵架构，通过改进传统四相位电荷泵的输出级使效率提高了5%，通过改进传统的控制时钟方案使输出电压纹波降低了38%，已在和舰0.18μm 三阱 CMOS 工艺中得到实现。
关键词 电荷泵，效率，稳压，纹波
Abstract：A regulated charge pump circuit is realized in the HEJIAN 0.18um triple-well CMOS technology. The power efficiency is increased by changing the output stage architecture of the four phase charge pump. A low-ripple output voltage is obtained based on improving the conventional clock blocking scheme.
Keywords：charge pump, power efficiency, regulator, voltage ripple
关键词 电荷泵，效率，稳压，纹波
Abstract：A regulated charge pump circuit is realized in the HEJIAN 0.18um triple-well CMOS technology. The power efficiency is increased by changing the output stage architecture of the four phase charge pump. A low-ripple output voltage is obtained based on improving the conventional clock blocking scheme.
Keywords：charge pump, power efficiency, regulator, voltage ripple
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