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:
Aug. 28, 2012
Filed:
Nov. 19, 2009
Sandro A. P. Haddad, Campinas, BR;
Jose A. Palazzi, Sao Paulo, BR;
Andre Luis Vilas Boas, Campinas, BR;
Sandro A. P. Haddad, Campinas, BR;
Jose A. Palazzi, Sao Paulo, BR;
Andre Luis Vilas Boas, Campinas, BR;
Freescale Semiconductor, Inc., Austin, TX (US);
Abstract
An output driver circuit having an input stage and an output stage, wherein the output stage and the input stage are configured to function as (1) a low-frequency voltage follower and (2) a high-frequency feedback loop for the output driver circuit. In operation, the low-frequency follower and the high-frequency feedback loop may precisely regulate the output voltage of the output driver circuit when large load transients occur. A compact charge pump may be used to supply additional voltage required to operate a current mirror of the output driver circuit.