Low voltage transient voltage suppressor

Details Low voltage transient voltage suppressor Low voltage transient voltage suppressor

2006-04-18

2006-04-18

Ngô, Ngân V. (Department: 2818)

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Having insulated electrode

C257S360000, C257S362000

Reexamination Certificate

active

07030447

ABSTRACT:
A method of providing a Transient Voltage Suppression (TVS) device is described utilizing a Metal Oxide Semiconductor (MOS) structure and an Insulated Gate Bipolar Transistor (IGBT) structure. The MOS based TVS devices offer reduced leakage current with reduced clamp voltages between 0.5 and 5 volts. Trench MOS based TVS device (72) provides an enhanced gain operation, while device (88) provides a top side drain contact. The high gain MOS based TVS devices provide increased control over clamp voltage variation.

REFERENCES:
patent: 5903028 (1999-05-01), Quoirin et al.
patent: 6441437 (2002-08-01), Gossner

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