The Optimized Switching of current mode PWM buck converter with high efficiency and high frequency

被引：0
|
作者：
Lin, Jia-Chuan [1 ]
Wu, Meng-Hsueh [1 ]
Huang, Po-Chia [1 ]
Tsui, Yu-Chi [1 ]
机构：
[1] Natl Taipei Univ, Dept Elect Engn, New Taipei City 23741, Taiwan
来源：
2014 INTERNATIONAL SYMPOSIUM ON NEXT-GENERATION ELECTRONICS (ISNE) | 2014年
关键词：
buck converter; high frequency; high stability; Multi-stage switch; efficiency;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
As a new type buck converter, it contain high efficiency and high stability, we used Multi-stage switch to improve efficiency. This circuit can adjusted based on the load amount to determine the number of power MOSFET pulse on. So this design have good efficiency, under any load conditions. This circuit is working on 20M Hz, and this type of frequency can make inductor very small to reduce chip's size. Efficiency is 81% in light load; is 86% in heavy load. This was designed and simulated using 0.35 micron TSMC 2P4M 5V technology, with a chip area 6.83mm2.
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页数：2
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