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  4. A New Switching Scheme for High-Voltage Switched Capacitor DC-DC Converter
 
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2021
Conference Paper
Title

A New Switching Scheme for High-Voltage Switched Capacitor DC-DC Converter

Abstract
In this paper a new double switch bootstrapping (DSB) scheme for high voltage switched capacitor DC-DC converter is presented. The circuit enables charge pump input voltages greater than the gate-oxide breakdown voltage for the switches. The DSB scheme is implemented in two high-voltage linear charge-pumps for positive and negative output voltages of up 72V and down to -36V, a maximum input voltage of 9V, a load current of 300mA for an efficiency of 34.8% at 2.2 MHz switching frequency. The experimental testchip is realized using a high-voltage 0.18mm SOI technology in 6.54 mm2 .
Author(s)
Vanselow, F.
Poongodan, P.
Sakolski, O.
Maurer, L.
Mainwork
10th International Conference on Modern Circuits and Systems Technologies, MOCAST 2021  
Conference
International Conference on Modern Circuits and Systems Technologies (MOCAST) 2021  
DOI
10.1109/MOCAST52088.2021.9493344
Language
English
Fraunhofer-Einrichtung für Mikrosysteme und Festkörper-Technologien EMFT  
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