DocumentCode
3475031
Title
A dual-band switching digital controller for a buck converter
Author
Martin Yeung-Kei Chui ; Wing-Hung Ki ; Chi-Ying Tsui
Author_Institution
The Hong Kong University of Science and Technology
fYear
2004
fDate
27-30 Jan. 2004
Firstpage
561
Lastpage
562
Abstract
0.6μm CMOS integrated digital PID controllerf or a buck converfer is fabricated and tested. It conrisfs of: (1) a VCO driving a counter to serve as an ADC; (2) a PID compensator that employs a programmable intwotion time for enhancing accuracy and stability; and (3) a dual-band switching PWM generator with a modified tapped delay line for better output resolution and area efficiency. The converter switches at 1MHz, while the tracking time is 50μ for a step change of IV.
Keywords
Buck converters; Counting circuits; Digital control; Dual band; Pulse width modulation; Stability; Switches; Three-term control; Voltage; Voltage-controlled oscillators;
fLanguage
English
Publisher
ieee
Conference_Titel
Design Automation Conference, 2004. Proceedings of the ASP-DAC 2004. Asia and South Pacific
Conference_Location
Yohohama, Japan
Print_ISBN
0-7803-8175-0
Type
conf
DOI
10.1109/ASPDAC.2004.1337649
Filename
1337649
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