An Ultra-Low Quiescent Current CMOS Low-Dropout Regulator with Small Output Voltage Variations

Xin Cheng; Yizhong Yang; Longjie Du; Yang Chen; Guangjun Xie

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An Ultra-Low Quiescent Current CMOS Low-Dropout Regulator with Small Output Voltage Variations

机译：具有低输出电压变化的超低静态电流CMOS低压降稳压器

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An ultra-low quiescent current low-dropout regulator with small output voltage variations and improved load regulation is presented in this paper. It makes use of dynamically-biased shunt feedback as the buffer stage and the LDO regulator can be stable for all load conditions. The proposed structure also employs a momentarily current-boosting circuit to reduce the output voltage to the normal value when output is switched from full load to no load. The whole circuit is designed in a 0.18 μm CMOS technology with a quiescent current of 550 nA. The maximum output voltage variation is less than 20 mV when used with 1 μF external capacitor.

机译：本文提出了一种具有低输出电压变化和改进的负载调节率的超低静态电流低压降稳压器。它利用动态偏置的并联反馈作为缓冲级，并且LDO稳压器对于所有负载条件都可以保持稳定。当输出从满载切换到空载时，所提出的结构还采用了瞬时电流提升电路，以将输出电压降低至正常值。整个电路采用0.18μmCMOS技术设计，静态电流为550 nA。当与1 F外部电容一起使用时，最大输出电压变化小于20 mV。

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《Journal of Power and Energy Engineering》 |2014年第4期|共6页
作者
Xin Cheng; Yizhong Yang; Longjie Du; Yang Chen; Guangjun Xie;
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1. A 4.7 μA Quiescent Current, 450 mA CMOS Low-Dropout Regulator with Fast Transient Response [J] . Sau Siong CHONG, Hendra KWANTONO, Pak Kwong CHAN IEICE Transactions on Electronics . 2011,第8期

机译：具有快速瞬态响应的4.7μA静态电流，450 mA CMOS低压降稳压器
2. Smart power management with combined current-feedback low-dropout voltage regulator and switched capacitor DC-DC converter in 180 nm CMOS [J] . Wei Rongshan, Zeng Zhuoqu, Wang Jue Microelectronics journal . 2019,第MAY期

机译：结合电流反馈低压差稳压器和180 nm CMOS的开关电容器DC-DC转换器的智能电源管理
3. Smart power management with combined current-feedback low-dropout voltage regulator and switched capacitor DC-DC converter in 180 nm CMOS [J] . Wei Rongshan, Zeng Zhuoqu, Wang Jue Microelectronics journal . 2019,第May期

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4. A 0.25-mm CMOS, 7-ppm/#x00B0;C, 8-mA quiescent current, #x00B1;5-mA output current low-dropout voltage regulator [C] . Conso F., Rescio G., Grassi M., European Solid‐State Circuits Conference . 2013

机译：0.25mm CMOS，7ppm /°C，8mA静态电流，±5mA输出电流低压降稳压器
5. Analysis and Design of High-Performance CMOS Output-Capacitor-Free Low-Dropout Regulators of SoC [D] . Zhan, Chenchang 2011

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6. A High-Voltage Energy-Harvesting Interface for Irregular Kinetic Energy Harvesting in IoT Systems with 1365 Improvement Using All-NMOS Power Switches and Ultra-low Quiescent Current Controller [O] . Hassan Saif, Muhammad Bilawal Khan, Jongmin Lee, 2019

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7. Design of CMOS low-dropout voltage regulator for power management integrated circuit in 0.18-µm technology [O] . S. A. Z. Murad, A. Harun, M. N. M. Isa, 2020

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An Ultra-Low Quiescent Current CMOS Low-Dropout Regulator with Small Output Voltage Variations

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