Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
January 20, 2009
Patent Application Number
11896632
Date Filed
September 4, 2007
Patent Primary Examiner
Patent abstract
A synchronous rectification switching regulator includes a reverse current prevention circuit unit that detects a symptom of a reverse current flowing in a direction from an output terminal to a second switching element or a generation of the reverse current based on a voltage of a connecting portion for connecting the second switching element with a third switching element. The reverse current prevention circuit unit turns off the third switching element to interrupt the reverse current when the reverse current prevention circuit unit detects the symptom or the generation of the reverse current.
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