| 一种全集成高电源抑制比的低压差线性稳压器 |
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| 引用本文： | 李志超,刘云涛,旷章曲,陈杰.一种全集成高电源抑制比的低压差线性稳压器[J].半导体学报,2014,35(6):065004-5. |
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| 作者姓名： | 李志超 刘云涛 旷章曲 陈杰 |
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| 基金项目： | 国家自然科学基金;创新研究群体科学基金 |
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| 摘 要： | This paper presents a capacitor-free CMOS low dropout voltage regulator which has high PSR perfor- mance and low chip area. Pole splitting and gm boosting techniques are employed to achieve good stability. The capacitor-free chip LDO was fabricated in commercial 0.18μm CMOS technology provided by GSMC （Shanghai, China）. Measured results show that the capacitor-free LDO has a stable output voltage 1.79 V, when supply voltage changes from 2.5 to 5 V, and the LDO is capable of driving maximum 100 mA load current. The LDO has high power supply rejection about -79 dB at low frequency and -40 dB at 1 MHz frequency, while sacrifice of the LDO＇s active chip-area is only smaller than 0.02 mm2.
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| 关 键 词： | CMOS技术 低压差稳压器 电容器 PSR 芯片面积 LDO 输出电压 电源电压 |
A capacitor-free high PSR CMOS low dropout voltage regulator |
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| Li Zhichao,Liu Yuntao,Kuang Zhangqu and Chen Jie.A capacitor-free high PSR CMOS low dropout voltage regulator[J].Chinese Journal of Semiconductors,2014,35(6):065004-5. |
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| Authors: | Li Zhichao Liu Yuntao Kuang Zhangqu and Chen Jie |
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| Affiliation: | Institute of Microelectronics, Chinese Academy of Sciences, Beijing 100029, China;Institute of Microelectronics, Chinese Academy of Sciences, Beijing 100029, China;Superpix Micro Technology Co. Ltd, Beijing 100085, China;Institute of Microelectronics, Chinese Academy of Sciences, Beijing 100029, China |
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| Abstract: | CMOS low dropout regulator power supply rejection capacitor-free |
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| Keywords: | CMOS low dropout regulator power supply rejection capacitor-free |
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