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Digital-Control Single-Inductor Triple-Output DC–DC Converter With Pre-Sub-Period Inductor-Current Control

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2 Author(s)
Jingbin Jia ; Dept. of Electron. & Eng., Chinese Univ. of Hong Kong, Hong Kong, China ; Ka Nang Leung

A digital-control single-inductor triple-output (SITO) dc-dc converter is presented in this paper. The dc-dc converter features a proposed pre-sub-period inductor-current control that can deliver more load-current by individual subconverter and reduce crossregulation among different subconverters simultaneously. The proposed digital-control SITO dc-dc converter is implemented by a commercial 0.35-μm CMOS process. The chip area is 1600 μm × 1700 μm. The dc-dc converter is capable to be configured as two buck subconverters and one boost subconverter. The measured maximum power efficiency is 83.5%.

Published in:

Power Electronics, IEEE Transactions on  (Volume:27 ,  Issue: 4 )

Date of Publication:

April 2012

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