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Power switch using a field-effect transistor (FET) pair
   
Document Number
US Patent 7230470
Issued Date
June 12, 2007
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Abstract
A power switch, and a method, for use with a power switch having a field-effect transistor (FET) including source, drain and gate terminals. The power switch includes a first field-effect transistor (FET) having a first drain coupled to the drain terminal, a first source coupled to the source terminal, and a first gate; and, a second FET having a second drain coupled to the drain terminal, a second source coupled to the source terminal, and a second gate. The second FET has a gate length (L.sub.G) that is greater than or less than an L.sub.G of the first FET and has a length of a drain (L.sub.D) that is greater than or less than an L.sub.D of the first FET. The power switch further includes a control circuit coupled to the gate terminal, the first gate, and the second gate.
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Power switch using a field-effect transistor (FET) pair - US Patent 7230470 Drawing
Drawing from US Patent 7230470
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Number of Claims:
22
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Published
June 12, 2007
Application Number
11/215,589
Filed
August 29, 2005
US Classification
327/427  
Int'l Classification
H03K   17/687   (20060101)  
Examiner
Attorney/Law Firm
Parent Case
CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation application of and claims priority under 35 U.S.C. .sctn.120 to commonly-owned, U.S. application Ser. No. 10/796,405, filed Mar. 8, 2004, now U.S. Pat. No. 6,937,086 which is a continuation-in-part U.S. application Ser. No. 10/327,586, filed on Dec. 20, 2002, now U.S. Pat. No. 6,703,888, which is a continuation of U.S. application Ser. No. 10/172,484, filed on Jun. 13, 2002, now U.S. Pat. No. 6,529,056, which is a continuation of U.S. application Ser. No. 09/853,356, filed on May 11, 2001, now U.S. Pat. No. 6,433,614, which is a continuation of U.S. application Ser. No. 09/798,008, filed on Mar. 2, 2001, now abandoned, the entire contents of which are hereby incorporated by reference.
USPTO Field of Search
327/379   327/427   327/434   327/435   327/436   327/437   327/170   327/389   326/87  
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