A High-PSR Low-power Voltage Regulating Circuit for Wireless Capsule Endoscopy

摘要：

In this paper, we present the design of a low-power, high power supply rejection (PSR) voltage regulating circuit in a 0.35μm standard CMOS process. A CMOS fullwave bridge rectifier is designed to generate an unregulated DC voltage. A low dropout (LDO) series voltage regulator converts the unregulated voltage to a stable and clean DC supply voltage. A self-biased wide range and high power supply rejection ratio (PSRR) VGs voltage reference is introduced. Simulation results show that the proposed circuit provides 3V regulated DC output, exhibits load regulation factor of as low as 1％ when delivering up to 30mA load current, and demonstrates line regulation factor of as low as 0.01％/V over 4.8V input amplitude variation.

作者: Qiyuan Ding Liang Feng Peng Hou Mengjun Jia Yuhua Cheng

作者单位: Shanghai Research Institute of Microelectronics (SHRIME), Peking University, Shanghai 201203, China Shanghai Resear ch Institute of Microelectronics (SHRIME), Peking University, Shanghai 201203, Chin

会议类型: 国际会议

会议名称: 2010 10th IEEE International Conference on Solid-State and Integrated Circuit Technology(第十届固态和集成电路技术国际会议 ICSICT-2010)

会议地点: 上海

会议语种:英文

页码: 590-592

在线出版日期: 2010-11-01（万方平台首次上网日期，不代表论文的发表时间）