Title :
An Auto-Selectable-Frequency Pulse-Width Modulator for Buck Converters with Improved Light-Load Efficiency
Author :
Man, Tsz Yin ; Mok, Philip K T ; Chan, Mansun
Author_Institution :
Hong Kong Univ. of Sci. & Technol., Kowloon
Abstract :
In this work, an auto-selectable-frequency pulse-width modulator (ASFPWM) is introduced to enable buck converters to use compact off-chip inductors and capacitors and to minimize both the switching loss and the gate-drive loss without causing a supply-integrity problem.
Keywords :
PWM power convertors; comparators (circuits); auto-selectable-frequency pulse-width modulator; buck converters; gate-drive loss; light-load efficiency improvement; switching loss; Buck converters; DC-DC power converters; Energy consumption; Feedforward systems; Inductors; Pulse modulation; Pulse width modulation; Pulse width modulation converters; Switching converters; Voltage;
Conference_Titel :
Solid-State Circuits Conference, 2008. ISSCC 2008. Digest of Technical Papers. IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-4244-2010-0
Electronic_ISBN :
978-1-4244-2011-7
DOI :
10.1109/ISSCC.2008.4523246
