东南大学学报（英文版）2009，Vol.25Issue(1)：13-17,5.
3.3μA静态电流无片外电容的CMOS低压差线性稳压器
CMOS low-dropout regulator with 3.3μA quiescent current without off-chip capacitor
摘要
Abstract
A CMOS (complementary metal-oxide-semiconductor transistor)low-dropout regulator(LDO) with 3.3 V output voltage and 100 mA output current for system-on-chip applications to reduce board space and external pins is presented.By utilizing a dynamic slew-rate enhancement(SRE) circuit and nested Miller compensation(NMC)on the LDO structure,the proposed LDO provides high stability during line and load regulatiOn without off-chip load capacitors.The overshot voltage is limited within 550 mV and the settling time is less than 50 μs when the load current decreases from 100 mA to 1 mA.By using a 30 nA reference current,the quiescent current is 3.3μA.The proposed design is implemented by CSMC 0.5 tun mixed-signal process.The experimental results agree with the simulation results.关键词
低压差线性稳压器/无片外电容/摆率增强电路/嵌套式米勒补偿Key words
low-dropout regulator/off-chip capacitor/slew-rate enhancement circuit/nested Miller compensation(NMC)分类
信息技术与安全科学引用本文复制引用
王忆,崔传荣,巩文超,何乐年..3.3μA静态电流无片外电容的CMOS低压差线性稳压器[J].东南大学学报（英文版）,2009,25(1):13-17,5.基金项目
The Key Science and Tccimology Project of Zhejiang Province(No.2007C21021). （No.2007C21021）
