Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 4, 2014
Patent Application Number
13427530
Date Filed
March 22, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
A voltage regulator includes: a normally-on first transistor coupled to an input voltage; an inductor provided between the first transistor and an output terminal; a return circuit provided between a reference voltage and a connection node of the first transistor and the inductor; a drive circuit that supplies a drive signal to a gate of the first transistor; and a negative voltage generation circuit that is coupled to the reference voltage, generates a negative voltage on the basis of a pulse signal generated at the connection node by switching operation of the first transistor, and supplies the negative voltage to the drive circuit.
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