Semiconductor switch driving circuit

Details Semiconductor switch driving circuit Semiconductor switch driving circuit

1996-07-18

1998-06-09

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

327377, 327389, 327482, 307139, 307140, 326 17, 326 18, H03K 1704

Patent

active

057639620

ABSTRACT:
A high-voltage semiconductor driving circuit to be instantaneously operated for the duration of an arbitrary pulse width can be effectuated through an extremely simple circuit configuration.
The circuit comprises a pulse transformer (2) which receives an input pulse signal and generates a pulse voltage, a diode (3) which conducts the pulse voltage to the capacitive gate electrode of the high-voltage semiconductor switching element (5), and another switching element (4) which is connected in parallel to the diode (3) and adapted to discharge, at the falling of the pulse voltage, the gate capacitance which has been charged at the rising of the pulse voltage.

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