Charge Pump for Negative High Voltage Generation with Variable Voltage Gain
@inproceedings{Zhao2013ChargePF,
title={Charge Pump for Negative High Voltage Generation with Variable Voltage Gain},
author={J. Zhao and Y. Kim and K. K. Kim},
year={2013}
}In this paper, a new cross-coupled charge pump for negative high voltage generation has been proposed. The problem of shoot-through current in the conventional cross-coupled charge pump is solved by a four clock phase scheme. By switching the power supply to each stage based on the supply voltage, a variable voltage gain is obtained. A complete analysis of the interaction between the power efficiency, area, and frequency are presented. The proposed cross-coupled charge pump has been designed to… Expand
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