Low drop-out voltage regulator as a candidate topology for photovoltaic solar facilities

This chapter presents a design for a 4.5-V, 450-mA low drop-out (LDO) linear voltage regulator based on a two-stage cascode operational transconductance amplifier (OTA) as an error amplifier for photovoltaic solar DC-DC regulation. The aforementioned two-stage OTA is designed with a cascode current...

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Detalles Bibliográficos
Autores: Martínez García, Herminio|||0000-0002-7977-2577, García Vílchez, Encarnación
Tipo de recurso: capítulo de libro
Fecha de publicación:2020
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/342263
Acceso en línea:https://hdl.handle.net/2117/342263
Access Level:acceso abierto
Palabra clave:Photovoltaic power generation
Microgrids (Xarxes elèctriques intel·ligents)
Photovoltaic solar DC-DC regulator
Low drop-out (LDO) linear voltage regulator
Operational transconductance amplifier (OTA)
Band gap reference
Cascode current mirror
Energia solar fotovoltaica
Microxarxes (Xarxes elèctriques intel·ligents)
Àrees temàtiques de la UPC::Enginyeria electrònica
Descripción
Sumario:This chapter presents a design for a 4.5-V, 450-mA low drop-out (LDO) linear voltage regulator based on a two-stage cascode operational transconductance amplifier (OTA) as an error amplifier for photovoltaic solar DC-DC regulation. The aforementioned two-stage OTA is designed with a cascode current mirroring technique to boost the output impedance. The proposed OTA has a DC gain of 101 dB under no load condition.