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《Microelectronics》 2016-01
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Design of a Charge Pump Circuit with Output Control

FAN Jiangong;FENG Quanyuan;Institute of Microelectronics ,Southwest Jiaotong University;  
In tradition designs of charge pump,the direction of more designs is paid on efficiency of the charge pump.But in low voltage process,excessive voltage will put MOS transistor in danger of being broken down,and the on-resistance of switch transistor will change obviously with power supply voltage.Aiming at the above problems,a charge pump circuit with output control was proposed.The charge pump was designed and simulated based on 0.5μm UMC technology library with the Cadence and Hspice software.Simulation results showed that when the power supply changed in the range of 2.7-5.5 V,the output voltage of charge pump was controlled in certain range,and the on-resistance of switch transistor changed little.
【Fund】: 国家高技术研究发展(863计划)重大项目(2012AA012305);; 国家自然科学基金面上项目(61271090)
【CateGory Index】: TN402
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