Solomon Systech Shenzhen Ltd

Shenzhen, China

Solomon Systech Shenzhen Ltd

Shenzhen, China
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Lin H.,Peking University | Chen Z.,Solomon Systech Shenzhen Ltd | Chan W.C.,Solomon Systech Ltd | Lee W.K.,Solomon Systech Ltd | Zhang M.,Peking University
Journal of Low Power Electronics | Year: 2016

In this paper, a new control strategy is proposed to prevent the potential reverse leakage current in the voltage doubler charge pump structure. The traditional voltage doubler has large power consumption in light load condition especially in linear regulator scheme. In this work, a technique is proposed to add another non-overlapping period during the discharge phase to prevent the reverse leakage current so as to reduce the power consumption. The power consumption can be reduced by approximately 17% from the simulation. In the meantime, it improves the current drivability by 2%-10% and the power efficiency in maximum load condition is enhanced by approximately 3%. Copyright © 2016 American Scientific Publishers All rights reserved.

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