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:
May. 24, 2011
Filed:
Sep. 08, 2009
Fernando Zampronho Neto, Campinas, BR;
Fernando Chavez Porras, Campinas, BR;
Jon S. Choy, Austin, TX (US);
Walter Luis Tercariol, Campinas, BR;
Fernando Zampronho Neto, Campinas, BR;
Fernando Chavez Porras, Campinas, BR;
Jon S. Choy, Austin, TX (US);
Walter Luis Tercariol, Campinas, BR;
Freescale Semiconductor, Inc., Austin, TX (US);
Abstract
A charge pump system () includes a charge pump (), and a regulator () that includes a clock generator () for providing a clock signal, a control logic () coupled to the clock generator, and a comparator () coupled to an output of the charge pump. The comparator includes a plurality of interleaved latches (and) driven by a single differential () stage that compares the output voltage and a reference voltage. The control logic provides timing signals to cause each latch to perform a latch action at different points in time within each period of the clock signal, each point in time equally spaced apart. An output from each latch is coupled to an output stage (). An output signal from the output stage regulates an output voltage from the charge pump. In one embodiment, the charge pump is coupled to a flash memory ().