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A 95.3% Peak Efficiency, 135NA Quiescent Current Buck-Boost DC-DC Converter with Current-Slope-Based Mode Control | IEEE Conference Publication | IEEE Xplore

A 95.3% Peak Efficiency, 135NA Quiescent Current Buck-Boost DC-DC Converter with Current-Slope-Based Mode Control


Abstract:

A current-slope-based mode control method is proposed for a buck-boost DC-DC converter to realize automatic mode switching between buck and boost in one switching period ...Show More

Abstract:

A current-slope-based mode control method is proposed for a buck-boost DC-DC converter to realize automatic mode switching between buck and boost in one switching period without additional quiescent current (IQ). Implemented in 0.18μm CMOS, the converter realizes 95.3% peak efficiency and above 90% over a load range from 15μA to 200mA. Accurate current slope measurement is achieved with initial sampling and 135nA total IQ is achieved with a zero-IQ pull-up structure in the input monitor.
Date of Conference: 18-22 June 2018
Date Added to IEEE Xplore: 25 October 2018
ISBN Information:
Print on Demand(PoD) ISSN: 2158-5601
Conference Location: Honolulu, HI, USA

References

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