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Multiphase Charge Pump For High Output Voltage

Multiphase Charge Pump For High Output Voltage
Mohammad Taufik, Taufik Taufik, Afarulrazi Abubakar, Wahyu Utomo
Universitas Padjadjaran, Proceedings of the IASTED International Symposium Advances in Power and Energy Systems (APES 2015) October 26 - 27, 2015 Marina del Rey, USA, DOI: 10.2316/P.2015.831-009
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Universitas Padjadjaran, Proceedings of the IASTED International Symposium Advances in Power and Energy Systems (APES 2015) October 26 - 27, 2015 Marina del Rey, USA, DOI: 10.2316/P.2015.831-009

This paper proposes a multi-phase charge pump for high voltage output applications. The simple topology combines a voltage doubler with an inverting charge pump that are paralleled to provide an output voltage that is three times the input voltage. The operation of the proposed topology and the effects of multi-phasing and varying duty cycle on the input current ripple, output voltage and current ripple as well as total harmonic distortion are analyzed using LTSpice simulation. Benefits and issues from the proposed configuration will also be discussed.

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