Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 5, 2010
Patent Application Number
12071037
Date Filed
February 14, 2008
Patent Primary Examiner
Patent abstract
A semiconductor device includes a constant voltage circuit configured to convert an input voltage to a predetermined voltage by controlling an output transistor, and an overheat protection circuit configured to restrict output current of the constant voltage circuit according to temperature of the semiconductor device. The overheat protection circuit includes a diode to detect the temperature of the semiconductor device and a resistor connected in series with the diode.
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