Switching element and protection circuit using the same

Details Switching element and protection circuit using the same Switching element and protection circuit using the same

2005-10-06

2008-07-22

Sherry, Michael J (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Impedance insertion

Reexamination Certificate

active

07403363

ABSTRACT:
Provided is a switching element including: a first switching element primarily used for formation of a two-way current path; and a second switching element that interrupts a parasitic diode at the time when the first switching element is turned off. The second switching element may be of smaller chip size because it assists the operation of the first switching element, thereby contributing miniaturization of the switching element and reduction in an ON resistance. Furthermore, adoption of the switching element to a protection circuit realizes reduction in the size of the protection circuit.

REFERENCES:
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patent: 5689209 (1997-11-01), Williams et al.
patent: 5909103 (1999-06-01), Williams et al.
patent: 5949218 (1999-09-01), Colles et al.
patent: 1327276 (2001-12-01), None
patent: 1160954 (2001-12-01), None
patent: 1160954 (2001-12-01), None
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patent: 2001-351697 (2001-12-01), None
Extended European Search Report mailed Feb. 24, 2006, directed to counterpart EP Application No. 05022042.5.

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