Integrated circuit output power supply transient voltage protect

Details Integrated circuit output power supply transient voltage protect Integrated circuit output power supply transient voltage protect

1997-03-27

1999-06-08

Berhane, Adolf Deneke

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

363 50, 361 56, G05F 316, H02M 710, H02H 322

Patent

active

059107251

ABSTRACT:
A circuit for limiting voltage transient excursions on a power supply node is disclosed. The circuit includes a first field effect transistor dispose to provide a capacitance and having source and drain electrodes coupled to said external supply node path and having a gate electrode and first and second clamp transistors. A resistance is coupled between the gate electrode of said first transistor and the internal supply return node and to gate electrodes of the clamp transistors. The circuit also include process resistances between internal and external supply connection to provide a charge transfer path between external and internal supply nodes and external and internal return nodes.

REFERENCES:
patent: 3895297 (1975-07-01), Jarl
patent: 5708549 (1998-01-01), Croft

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