Title :
Linear-assisted converter with constant switching frequency
Author :
Martínez, Herminio ; Conesa, Alfonso
Author_Institution :
Dept. of Electron. Eng., Tech. Univ. of Catalonia (UPC), Barcelona
Abstract :
This article shows the proposal of a linear-assisted converter or linear-&-switching hybrid converter with a constant switching frequency. The control loop of the system is based on the current-mode technique. The main disadvantage of a converter with current-mode control is the inherent instability of the loop when switch duty ratios are greater than 0.5. In order to make stable the proposed linear-assisted converter, the article shows the technique based on a slope compensation.
Keywords :
DC-DC power convertors; current-mode circuits; frequency convertors; switching convertors; constant switching frequency; control loop; current-mode control; current-mode technique; linear-&-switching hybrid converter; linear-assisted converter; slope compensation; Circuits; Control systems; Educational institutions; Industrial engineering; Proposals; Regulators; Switches; Switching converters; Switching frequency; Voltage;
Conference_Titel :
Circuit Theory and Design, 2007. ECCTD 2007. 18th European Conference on
Conference_Location :
Seville
Print_ISBN :
978-1-4244-1341-6
Electronic_ISBN :
978-1-4244-1342-3
DOI :
10.1109/ECCTD.2007.4529669
