Title :
A pseudo-CCM/DCM SIMO switching converter with freewheel switching
Author :
Dongsheng Ma ; Wing-Hung Ki ; Chi-Ying Tsui
Author_Institution :
Dept. of Electr. & Electron. Eng., Hong Kong Univ. of Sci. & Technol., China
Abstract :
A single-inductor multiple-output switching converter operates in pseudo-CCM/DCM. It requires freewheeling of the inductor current during the instants when the n switch and all output p switches are off. It is fabricated in a 0.5 /spl mu/m CMOS n-well process with Voa=2.5 V and Vob=3.0 V. With 1 /spl mu/H inductor, converter efficiency is 84.7% at 1 MHz.
Keywords :
CMOS analogue integrated circuits; inductors; power convertors; switching circuits; 0.5 micron; 1 MHz; 2.5 V; 3.0 V; 84.7 percent; CMOS; SIMO switching converter; converter efficiency; discontinuous conduction mode; freewheel switching; inductor current; n-well process; pseudo-CCM/DCM; pseudo-continuous conduction mode; single-inductor multiple-output switching converter; Inductors; Load management; Power engineering and energy; Solid state circuits; Switches; Switching converters; Timing; Voltage control;
Conference_Titel :
Solid-State Circuits Conference, 2002. Digest of Technical Papers. ISSCC. 2002 IEEE International
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
0-7803-7335-9
DOI :
10.1109/ISSCC.2002.993096
