Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 28, 2006
Patent Application Number
10942453
Date Filed
September 16, 2004
Patent Primary Examiner
Patent abstract
The present invention provides a voltage regulator capable of causing a large output current to flow during a heavy load operation, and of making a leakage current from output transistors small during a light load operation. The voltage regulator includes a plurality of output transistors and a circuit for changing connection of the output transistors to allow a W/L value of the output transistor to be changed. Moreover, the voltage regulator further includes an output current detection circuit for detecting an output current, and a circuit for changing connection of the output transistors based on the output current to allow a W/L value of the output transistors to be changed based on the output current.
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