A 10–25MHz, 600mA buck converter using time-based PID compensator with 2µA/MHz quiescent current, 94% peak efficiency, and 1MHz BW

Qadeer Ahmad Khan,Seong Joong Kim,Mrunmay Talegaonkar,Amr Elshazly,Arun Rao,Nathanael Griesert,Greg Winter,William McIntyre,Pavan Kumar Hanumolu

VLSIC（2014）

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摘要

A time-based PID compensator that combines the advantages of both analog and digital controllers is used to implement a high frequency low quiescent current buck converter. Fabricated in 180nm CMOS process, the proposed buck converter operates over a wide range of switching frequencies (10-25MHz) and achieves better than 94% peak efficiency while consuming a quiescent current of only 2μA/MHz.

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关键词

CMOS integrated circuits,DC-DC power convertors,compensation,digital control,three-term control,CMOS process,DC-DC converters,analog controllers,bandwidth 1 MHz,digital controllers,frequency 10 MHz to 25 MHz,high frequency low quiescent current buck converter,size 180 nm,time-based PID compensator,

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