×

Circuit configuration and method for the switch-on/off control of a field-effect transistor

  • US 20030173619A1
  • Filed: 03/17/2003
  • Published: 09/18/2003
  • Est. Priority Date: 03/15/2002
  • Status: Active Grant
First Claim
Patent Images

1. A circuit configuration having a field-effect transistor, comprising:

  • a semiconductor body having a trench formed therein;

    external gate terminals, including a first gate terminal and a second gate terminal;

    at least one source electrode region formed in said semiconductor body;

    at least one drain electrode region formed in said semiconductor body;

    at least two gate electrodes, including a first gate electrode and a second gate electrode, formed vertically in said trench and in a manner insulated from one another and from said source electrode region and said drain electrode region, said first and second gate electrodes being capacitively coupled to one another by a capacitance distributed over the field-effect transistor, said gate electrodes each connected separately to one of said external gate terminals; and

    a driver configuration connected to said external gate terminals and having driver circuits, including a first driver circuit and a second driver circuit, and a generating device, said driver configuration generating a first gate drive signal passed to said first gate terminal, and a second gate drive signal passed to said second gate terminal, said generating device generating the second gate drive signal in a delayed manner with respect to the first gate drive signal.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×