Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/152169
Title: A switched-capacitor DC-DC converter with embedded fast NMOS-LDOs achieving low noise, low output voltage ripple and fast response
Authors: Xiao, Zhekai
Bui, Anh Khoa
Siek, Liter
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2017
Source: Xiao, Z., Bui, A. K. & Siek, L. (2017). A switched-capacitor DC-DC converter with embedded fast NMOS-LDOs achieving low noise, low output voltage ripple and fast response. 2016 International Symposium on Integrated Circuits (ISIC), 1-4. https://dx.doi.org/10.1109/ISICIR.2016.7829698
Abstract: This paper presents a 2/3 step-down switched-capacitor DC-DC converter with integrated NMOS-LDOs in both charging and discharging phases to suppress the output voltage ripple. A gate driving technique implementing adaptive gate slope and gate pre-charge is proposed to reduce the switching noise during phase transitions and assist the turn-on of the regulation transistors, respectively. Good load regulation and fast transient response are achieved due to the high open loop gain and bandwidth. Simulation results show that the output voltage ripple is less than 0.5 mV when delivering 100 mA output current. The converter achieves peak efficiency of 83.3% and over 80% across a load current range of 5 mA to 130 mA.
URI: https://hdl.handle.net/10356/152169
ISBN: 9781467390194
DOI: 10.1109/ISICIR.2016.7829698
Rights: © 2016 IEEE. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Conference Papers

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