一种具有压转率增强的无电容CMOS低压差稳压器

2006 International Symposium on VLSI Design, Automation and Test Pub Date : 2006-04-26 DOI:10.1109/VDAT.2006.258162

Wei-Jen Huang, Sao-Hung Lu, Shen-Iuan Liu

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引用次数: 15

摘要

提出了一种适用于任何负载电容的CMOS低差(LDO)稳压器。该调节器采用了一种改进的交流升压技术。此外，在0 ~ 150mA的大负载电流切换过程中，设计了一种摆率增强电路，提高了摆率，减小了输出电压降。一个3.3V, 150mA, LDO稳压器已在0.35mum工艺制造

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A Capacitor-free CMOS Low Dropout Regulator with Slew Rate Enhancement

A CMOS low dropout (LDO) regulator is presented to be stable for any load capacitor. A modified AC boosting technique is adapted in this regulator. Moreover, a slew rate enhancement circuit is presented to increase the slew rate and decrease the output voltage dips when a large load current is switched from 0 to 150mA. A 3.3V, 150mA, LDO regulator has been fabricated in a 0.35mum process

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2006 International Symposium on VLSI Design, Automation and Test

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