A fully-integrated 0.18 μm CMOS DC-DC step-up converter, using a bondwire spiral inductor

被引：25
|
作者：
Wens, Mike [1 ]
Cornelissens, Koen [1 ]
Steyaert, Michiel [1 ]
机构：
[1] Katholieke Univ Leuven, ESAT MICAS, B-3001 Heverlee, Belgium
来源：
ESSCIRC 2007: PROCEEDINGS OF THE 33RD EUROPEAN SOLID-STATE CIRCUITS CONFERENCE | 2007年
关键词：
D O I：
10.1109/ESSCIRC.2007.4430295
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A fully-integrated DC-DC step-up converter in a 0.18 mu m 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.
引用
收藏
页码：268 / 271
页数：4
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