The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 02, 2008
Filed:
Dec. 08, 2003
Applicants:
Adrianus Willem Ludikhuize, Eindhoven, NL;
Jacob Antonius Van Der Pol, Nijmegen, NL;
Raymond J. Grover, Didsbury, GB;
Inventors:
Adrianus Willem Ludikhuize, Eindhoven, NL;
Jacob Antonius Van Der Pol, Nijmegen, NL;
Raymond J. Grover, Didsbury, GB;
Assignee:
NXP B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/76 (2006.01); H01L 29/94 (2006.01); H01L 31/062 (2006.01); H01L 31/113 (2006.01);
U.S. Cl.
CPC ...
Abstract
A down converter includes an integrated circuit, which includes a control FET (CF) and a synchronous rectifier FET (SF). The control FET is a lateral double-diffused (LDMOS) FET, and the conductivity-type of the LDMOS FET and the conductivity-type of the substrate are of the same type.