VOLTAGE REGULATOR, INTEGRATED CIRCUIT AND METHOD FOR VOLTAGE REGULATION

VOLTAGE REGULATOR, INTEGRATED CIRCUIT AND METHOD FOR VOLTAGE REGULATION

A voltage regulator comprises an output transistor (MPOUT) with a controlled section connected between a first supply terminal (VS) and an output terminal (OUT). An amplifier (AMP) comprises a reference input (VR) and a feedback input (VFB). A current mirror comprising a replica transistor (MREP). T...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Fiocchi, Carlo
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CONTROLLING
PHYSICS
REGULATING
SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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Beschreibung
Zusammenfassung:A voltage regulator comprises an output transistor (MPOUT) with a controlled section connected between a first supply terminal (VS) and an output terminal (OUT). An amplifier (AMP) comprises a reference input (VR) and a feedback input (VFB). A current mirror comprising a replica transistor (MREP). The current mirror is configured to mirror and attenuate a load current supplied by the output transistor (MPOUT) to the replica transistor (MREP). A filter circuit (RC) is coupled to a controlled section of the replica transistor (MREP) and coupled to the feedback input (VFB) of the amplifier (AMP) via the output terminal (OUT).