Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ming-Hsueh Chen0
Ming Chu Chien0
Date of Patent
February 5, 2008
0Patent Application Number
110994580
Date Filed
April 6, 2005
0Patent Primary Examiner
Patent abstract
In a DC-to-DC converter, a current sense circuit and method generate a first current by a first transconductive amplifier responsive to the output current of the converter for a controller to switch a high side switch and a low side switch, a second current from a first voltage by a second transconductive amplifier, a second voltage from the second current by an adjustable resistor, and a bias signal from a difference between the second voltage and a third voltage by a bias apparatus to adjust the transconductances of the first and second transconductive amplifiers.
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