Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ken Maruyama0
Keisuke Kuroda0
Date of Patent
August 17, 2010
0Patent Application Number
118984430
Date Filed
September 12, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention inexpensively controls a turn-on and turn-off switching speed for MOS transistors made in accordance with various specifications. According to the present invention, during an output voltage rise period for a turn-on operation of the MOS transistor, a fixed current determined by a first clip circuit and a resistor is input to a gate terminal of the MOS transistor to obtain a linear rise slew rate. During an output voltage drop period for a turn-off operation of the MOS transistor, a fixed current determined by a second clip circuit 38 and a resistor is input to the gate terminal of the MOS transistor to obtain a linear drop slew rate.
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