Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuichi Okubo0
Norihiro Kawagishi0
Date of Patent
December 28, 2010
0Patent Application Number
123270010
Date Filed
December 3, 2008
0Patent Primary Examiner
Patent abstract
A DC-DC converter includes a reference voltage generation circuit. The reference voltage generation circuit generates a reference voltage for determination of the pulse width of a drive signal to be supplied to a switching circuit. The reference voltage generation circuit includes a current sensing circuit. The current sensing circuit has a first MOS transistor, a second MOS transistor, a resistive element and an amplifier circuit.
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