標題: Proportional Compensated Buck Converter With a Differential-In Differential-Out (DIDO) Error Amplifier and Load Regulation Enhancement (LRE) Mechanism
作者: Lee, Yu-Huei
Chu, Kuan-Yu
Shih, Chun-Jen
Chen, Ke-Horng
電控工程研究所
Institute of Electrical and Control Engineering
關鍵字: Current-mode operation;dc-dc converter;differential-in differential-out (DIDO) amplifier;load regulation;system compensation
公開日期: 1-五月-2012
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 mu m CMOS process and occupied 1.65 mm(2) active silicon area.
URI: http://dx.doi.org/10.1109/TPEL.2011.2173701
http://hdl.handle.net/11536/15761
ISSN: 0885-8993
DOI: 10.1109/TPEL.2011.2173701
期刊: IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume: 27
Issue: 5
起始頁: 2426
結束頁: 2436
顯示於類別:期刊論文


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