100 MHz DC-DC Switching Converter with Tracking Control

被引：0
|
作者：
Suresh, Sindhu [1 ]
Lu, Yang [1 ]
Czarkowski, Dariusz [1 ]
机构：
[1] Polytech Univ, Dept Elect & Comp Engn, Brooklyn, NY 11201 USA
来源：
IECON 2008: 34TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY, VOLS 1-5, PROCEEDINGS | 2008年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A 100 MHz switching power supply with two-loop control is proposed for radio frequency power amplifiers. The power supply has a tracking bandwidth of 5 MHz and an estimated efficiency of 80%. The two-loop topology consists of a buck converter with an inner loop for one-cycle control and an outer loop that contains a PI compensator. With the two loops a stable feedback control is obtained with an excellent tracking. The VLSI two-loop feedback controller topology uses high-speed high-efficiency voltage comparator and current conveyors as their building blocks. AMI 0.5 mu m CMOS technology is used. The converter performance is verified by means of simulations.
引用
收藏
页码：348 / 353
页数：6
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