基于缓冲翻转电压跟随器的快速瞬态LDO

2010 IEEE International Conference of Electron Devices and Solid-State Circuits (EDSSC) Pub Date : 2010-12-01 DOI:10.1109/EDSSC.2010.5713775

Hua Chen, K. Leung

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引用次数: 30

摘要

本文对基于翻转电压跟随器(FVF)的单晶体管控制(STC) LDO进行了分析。本文研究了级联FVF (CAFVF)和电平移位FVF (LSFVF)两种FVF的演化形式。然后，结合CAFVF和LSFVF结构的优点，提出了一种用于LDO的缓冲FVF (BFVF)结构。仿真结果表明，该方法具有更快的瞬态响应速度和更好的负载调节能力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A fast-transient LDO based on buffered flipped voltage follower

In this work, the analysis of the flipped voltage follower (FVF) based single-transistor-control (STC) LDO is given. Two evolved versions of FVF, cascaded FVF (CAFVF) and level shifted FVF (LSFVF), are studied. Then, a buffered FVF (BFVF) for LDO application is proposed, combining the virtues of both CAFVF and LSFVF structures. It alleviates the minimum loading requirement of FVF and the simulation result shows that it has faster transient response and better load regulation.

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2010 IEEE International Conference of Electron Devices and Solid-State Circuits (EDSSC)

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