Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 22, 2010
Patent Application Number
12327174
Date Filed
December 3, 2008
Patent Primary Examiner
Patent abstract
A load drive circuit which can operate at high speed with low consumption current while performing the gate-to-source over voltage protection for its load driving field-effect transistor. A Zener function device is connected between the gate and the source of the load driving field-effect transistor, and an on/off-switch circuit to supply either on-potential or off-potential to the gate of the field effect transistor is provided. The current flowing through the Zener function device when the load driving field-effect transistor is conductive is limited by the on/off-switch circuit.
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