Title :
Monolithic buck converter for CMOS process technologies
Author :
Brusev, Tihomir ; Hristov, Marin
Author_Institution :
Dept. of Microelectron., Tech. Univ. of Sofia, Sofia
fDate :
Aug. 31 2008-Sept. 3 2008
Abstract :
Monolithic switching buck (step-down) converter is designed on standard 0.35-mum CMOS process. Different control techniques such as Pulse-Width Modulations (PWM) and Pulse-Frequency Modulations (PFM) are investigated. The received results show that PFM control indicates higher efficiency at light-loads compare to standard constant frequency PWM control. Efficiency of about 76% is achieved for the PWM control at switching frequency of 150 MHz for voltage conversion from 3.6 down to 1.2 V.
Keywords :
CMOS integrated circuits; power convertors; pulse frequency modulation; pulse width modulation; CMOS; frequency 150 MHz; monolithic switching buck converter; pulse-frequency modulations; pulse-width modulations; size 0.35 mum; voltage conversion; Buck converters; CMOS process; CMOS technology; Frequency; Lighting control; Process control; Pulse width modulation; Space vector pulse width modulation; Switching converters; Voltage control;
Conference_Titel :
Electronics, Circuits and Systems, 2008. ICECS 2008. 15th IEEE International Conference on
Conference_Location :
St. Julien´s
Print_ISBN :
978-1-4244-2181-7
Electronic_ISBN :
978-1-4244-2182-4
DOI :
10.1109/ICECS.2008.4675008
