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Design of a linear–assisted DC-DC switching regulator with constant switching frequency

Author
Martinez, H.
Type of activity
Presentation of work at congresses
Name of edition
IEEE 57th International Midwest Symposium on Circuits and Systems
Date of publication
2014
Presentation's date
2014-08-05
Book of congress proceedings
2014 IEEE 57th International Midwest Symposium on Circuits and Systems (MWSCAS): August 3-6, 2014: College Station, Texas
First page
455
Last page
458
DOI
https://doi.org/10.1109/MWSCAS.2014.6908450 Open in new window
Project funding
Circuitos de gestión de energia adaptativos y miniaturizados para recolectores de energía en redes de sensores inalámbricos (WSN)
URL
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6908450 Open in new window
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 Switching Converters, Linear-Assisted DC-DC Voltage Regulators., Voltage Linear Regulators
Group of research
EPIC - Energy Processing and Integrated Circuits
PERC-UPC - Power Electronics Research Centre

Participants