大功率电源带隙基准电压设计

2011 IEEE International Conference on Anti-Counterfeiting, Security and Identification Pub Date : 2011-06-24 DOI:10.1109/ASID.2011.5967447

Wei-wei Huang, Xiao Yang, Chao-dong Ling

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引用次数: 4

摘要

基于CSMC 0.6um 40V BCD工艺和带隙原理，设计了一种用于高压芯片的参考电路。仿真结果表明，在温度系数为26.5ppm/°C的3.5 ~ 40V范围内供电时，输出电压对电源不敏感，当供电电压在3.5 ~ 40V范围内时，室温下输出电压等于1.2558V ~ 1.2573V。设计的电路精度高，稳定性好，可作为电源管理集成电路的稳定基准电压。

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A bandgap voltage reference design for high power supply

Based on the CSMC 0.6um 40V BCD process and the bandgap principle a reference circuit used in high voltage chip is designed. The simulation results show that a temperature coefficient of 26.5ppm/°C in the range of 3.5∼40V supply, the output voltage is insensitive to the power supply, when the supply voltage rages from 3.5∼40V, the output voltage is equal to 1.2558V to 1.2573V at room temperature. The circuit we designed has high precision and stability, thus it can be used as stability reference voltage in power management IC.

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2011 IEEE International Conference on Anti-Counterfeiting, Security and Identification

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