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A 82.5% Power Efficiency at 1.2 mW Buck Converter with Sleep Controlopen access
- Authors
- Son, Chung Hwan; Byun, Sangjin
- Issue Date
- Dec-2016
- Publisher
- IEEK PUBLICATION CENTER
- Keywords
- Buck converter; sleep control; current sensor; CMOS integrated circuits
- Citation
- JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, v.16, no.6, pp 842 - 846
- Pages
- 5
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE
- Volume
- 16
- Number
- 6
- Start Page
- 842
- End Page
- 846
- ISSN
- 1598-1657
2233-4866
- Abstract
- This paper presents a DC-DC buck converter which uses a sleep control to improve the power efficiency in a few mW light load condition. The sleep control turns off analog controller building blocks to reduce the static power losses during the offduty period of pulse width modulation. For verification, a buck converter has been implemented in a 0.18 mu m CMOS process. The power efficiency has been improved from 76.7% to 82.5% with a 1.2 mW load. The maximum power efficiency is 95% with a 9 mW load.
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Related Researcher
- Byun, Sangjin
- College of Engineering (Department of Electronics and Electrical Engineering)