Threshold Voltage Start-up Boost Converter for Sub-mA Applications

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4th IEEE International Symposium on Electronic Design, Test and Applications (delta 2008)

January 23-January 25

ISBN: 978-0-7695-3110-6

	ASCII Text	x
	Ngok-Man Sze, Wing-Hung Ki, Chi-Ying Tsui, "Threshold Voltage Start-up Boost Converter for Sub-mA Applications," Electronic Design, Test and Applications, IEEE International Workshop on, pp. 338-341, 4th IEEE International Symposium on Electronic Design, Test and Applications (delta 2008), 2008.

	BibTex	x
	@article{ 10.1109/DELTA.2008.126, author = {Ngok-Man Sze and Wing-Hung Ki and Chi-Ying Tsui}, title = {Threshold Voltage Start-up Boost Converter for Sub-mA Applications}, journal ={Electronic Design, Test and Applications, IEEE International Workshop on}, volume = {0}, year = {2008}, isbn = {978-0-7695-3110-6}, pages = {338-341}, doi = {http://doi.ieeecomputersociety.org/10.1109/DELTA.2008.126}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Electronic Design, Test and Applications, IEEE International Workshop on TI - Threshold Voltage Start-up Boost Converter for Sub-mA Applications SN - 978-0-7695-3110-6 SP338 EP341 A1 - Ngok-Man Sze, A1 - Wing-Hung Ki, A1 - Chi-Ying Tsui, PY - 2008 KW - Boost converter KW - DC-DC converter KW - energy harvesting KW - PFM KW - start up VL - 0 JA - Electronic Design, Test and Applications, IEEE International Workshop on ER -

Ngok-Man Sze

Wing-Hung Ki

Chi-Ying Tsui

DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/DELTA.2008.126

A threshold voltage start-up (TVS) scheme for a boost converter is presented. The TVS converter could start upat the average threshold voltage of the fabrication process, and converts a fluctuating (energy harvesting) inputof 0.2 V to 0.9 V to a regulated output of 1.2 V. It operates in discontinuous conduction mode with peak currentcontrol (and thus operates with pulse frequency modulation) to reduce switching loss at light loads. Theconverter was designed with an AMS 0.35 ?m CMOS process and measured 675 ?m ? 615 ?m. The maximumefficiency is 83% at an output current of 1 mA with an input voltage of 0.9 V.

Index Terms:

Boost converter, DC-DC converter, energy harvesting, PFM, start up

Citation:

Ngok-Man Sze, Wing-Hung Ki, Chi-Ying Tsui, "Threshold Voltage Start-up Boost Converter for Sub-mA Applications," delta, pp.338-341, 4th IEEE International Symposium on Electronic Design, Test and Applications (delta 2008), 2008

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