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Replaces September 2000 version, AN5177-3.0
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Using an improved gate drive to ease GTO series connection problems.
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AN5177 Application Note
AN5177
Improved Gate Drive For GTO Series Connections Application Note
AN5177-3.1 July 2002
INTRODUCTION
There are problems encountered with dynamic voltage sharing of series connected GTOs both at turn-on and turn-off. This application note will deal with the problems associated with turnoff and a further note will address turn-on problems. Switching high voltages using rectifier diodes or thyristors is routinely done using devices connected in series. With resistor and capacitor networks connected, 100 devices or more can be wired in series.