A fully-integrated 0.18µm CMOS DC-DC step-up converter, using a bondwire spiral inductor
Munich（2007）
摘要
A fully-integrated DC-DC step-up converter in a 0.18 mum 1.8 V CMOS technology is realized with an integrated bondwire spiral inductor and an integrated MIMcap. The converter is designed to generate 3.3 V out of a 1.8 V power supply. Stacked transistors are used to cope with the high voltage. It operates in discontinuous, asynchronous switching mode, with a switching frequency of 100 MHz. The maximum output power is 150 mW, with an output ripple of 200 mV. The maximum power efficiency is 63%. A control system using a PWM scheme keeps the output voltage constant with varying loads up to 9 MHz.
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关键词
cmos integrated circuits,dc-dc power convertors,mim devices,pwm power convertors,inductors,cmos technology,dc-dc step-up converter,pwm,bondwire spiral inductor,frequency 100 mhz,integrated mimcap,power 150 mw,size 0.18 mum,voltage 1.8 v,high voltage,control system,power efficiency
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