A 5.6W-Power 96.6%-Efficiency Boost-Oriented SIDO Step-Up/Down DC-DC Converter Embedding Buck Conversion with an Energy-Balancing Capacitor
2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits)(2022)
摘要
In this paper, a boost-oriented single-inductor dual-output (BO-SIDO) step-up/down DC-DC converter is presented. The BO-SIDO design enables only 1×R
ON
conduction in all inductor-current paths, improving power efficiency. While regulating the heavy-loaded boost output, the seamless buck conversion can be embedded adaptively to the buck load. The chip was fabricated in 0.5-μm CMOS, and it achieved 96.6% peak efficiency and maximum output power of 5.6W.
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关键词
CMOS integrated circuit,power efficiency improvement,all inductor-current paths,BO-SIDO,boost-oriented single-inductor dual-output DC-DC converter,boost-oriented SIDO DC-DC converter,step-down DC-DC converter,step-up DC-DC converter,energy-balancing capacitor,buck conversion,power 5.6 W,efficiency 96.6 percent,size 0.5 mum
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