Output-Capacitorless CMOS LDO Regulator Based on High Slew-Rate Current-Mode Transconductance Amplifier

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/20578

dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica
dc.contributor	Universitat Politècnica de Catalunya. EPIC - Energy Processing and Integrated Circuits
dc.contributor.author	Saberkari, Alireza
dc.contributor.author	Fathipour, Rasoul
dc.contributor.author	Martínez García, Herminio
dc.contributor.author	Poveda López, Alberto
dc.contributor.author	Alarcón Cot, Eduardo José
dc.date	2013
dc.identifier.citation	Saberkari, A. [et al.]. Output-Capacitorless CMOS LDO Regulator Based on High Slew-Rate Current-Mode Transconductance Amplifier. A: IEEE International Symposium on Circuits and Systems. "IEEE International Symposium on Circuits and Systems (ISCAS), 2013: 19- 23 May 2013, Beijing, China". Beijing-Pekín: Institute of Electrical and Electronics Engineers (IEEE), 2013, p. 1484-1487.
dc.identifier.citation	978-146-735-760-9
dc.identifier.citation	10.1109/ISCAS.2013.6572138
dc.identifier.uri	http://hdl.handle.net/2117/20578
dc.language.iso	eng
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Energies::Energia elèctrica
dc.subject	Voltage Regulator LDO (Low Dropout) Regulator Energy Harvesting Power Management
dc.title	Output-Capacitorless CMOS LDO Regulator Based on High Slew-Rate Current-Mode Transconductance Amplifier
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	A low quiescent current output-capacitorless CMOS LDO regulator based on a high slew-rate current-mode transconductance amplifier (CTA) as an error amplifier is presented. Load transient characteristic of the proposed LDO is improved even at low quiescent currents, by using a local common-mode feedback (LCMFB) in the proposed CTA. This provides an increase in the order of transfer characteristic of the circuit, thereby enhancing the slew-rate at the gate of pass transistor. The proposed CTA-based LDO topology has been designed and post-layout simulated in HSPICE, in a 0.18 μm CMOS process to supply a load current between 0-100 mA. Postlayout simulation results reveal that the proposed LDO is stable without any internal compensation strategy and with on-chip output capacitor or lumped parasitic capacitances at the output node between 10-100 pF.

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