Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 7, 2012
Patent Application Number
12727877
Date Filed
March 19, 2010
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method and a circuit may have an ability to provide constant currents of a certain set value, the rising and falling edges of which may be shorter than the design minimum on-phase. Essentially, these results may be obtained by keeping an operational amplifier that controls the output power switch in an active state during off-phases of an impulsive drive signal received by the current source circuit in order to maintain the output voltage of the operational amplifier at or just below the voltage to be applied to the control terminal of the output power switch during a successive on-phase of a received drive pulse signal.
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