A Low-Dropout Voltage Regulator with a Fractional-Order Control

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dc.contributor.authorKadlcik, Libor
dc.contributor.authorHorsky, Pavel
dc.coverage.issue2cs
dc.coverage.volume25cs
dc.date.accessioned2016-08-12T06:57:38Z
dc.date.available2016-08-12T06:57:38Z
dc.date.issued2016-06cs
dc.description.abstractThis paper presents a 5 V / 50 mA low-dropout voltage regulator (LDO). The LDO uses a fractional-order control for its regulation loop to achieve a high DC gain (for a tight DC regulation) while avoiding (for a good stability) a high gain at high frequency. No compensation zeros are needed. The unity gain frequency of the regulation loop also changes adaptively with the output current to maintain it below the frequency of non-dominant poles. The LDO is stable with any external capacitance larger than 50 nF, and is expected to operate in a harsh automotive environment, with junction temperature ranging from -40°C to 170°C and with supply voltage from 7 V to 36 V. The operation of the LDO has been verified by realizing it in the 350 nm I3T50 ON Semiconductor technology.en
dc.formattextcs
dc.format.extent312-320cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2016 vol. 25, č. 2, s. 312-320. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2016.0312en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/63054
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2016/16_02_0312_0320.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectFractional-order controlen
dc.subjecterror amplifieren
dc.subjectRC ladderen
dc.subjectlow-dropout regulatoren
dc.subjectfrequency compensationen
dc.titleA Low-Dropout Voltage Regulator with a Fractional-Order Controlen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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