US Patent 7285995 Charge pump

Patent 7285995 was granted and assigned to Toshiba America Electronic Components on October, 2007 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Toshiba America Electronic Components

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

72859950

Patent Inventor Names

Masao Kaizuka0

Date of Patent

October 23, 2007

Patent Application Number

110494210

Date Filed

February 2, 2005

Patent Primary Examiner

‌

Quan Tra

Patent abstract

A charge pump that employs a differential amplifier that provides a differential output to control a charge up current source and a charge down current source. The differential amplifier is configured so that the current sources can maintain substantially equal charge up current and charge down current irrespective of the voltage at its output terminal.