Proportional compensated buck converter with a differential-in differential-out (DIDO) error amplifier and load regulation enhancement (LRE) mechanism

Yu Huei Lee*, Kuan Yu Chu, Chun Jen Shih, Ke-Horng Chen

*Corresponding author for this work

研究成果: Article同行評審

9 引文 斯高帕斯(Scopus)

摘要

A differential-in differential-out error amplifier and a load regulation enhancement mechanism are proposed in the buck converter that aims to improve load regulation and noise immunity. By using the proportional compensator in the proposed converter, there is no need of external compensation components in this design. As a result, a compact-size and high-performance dc-dc buck converter can be guaranteed. Experimental results show that load regulation can be improved from 0.5 to 0.025 mV/mA. The test chip was fabricated by 0.25 μm CMOS process and occupied 1.65mm 2 active silicon area.

原文English
文章編號6061965
頁(從 - 到)2426-2436
頁數11
期刊IEEE Transactions on Power Electronics
27
發行號5
DOIs
出版狀態Published - 15 三月 2012

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