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:
Jul. 16, 2013
Filed:
Aug. 30, 2010
Srinivas Venkata Veeramreddi, Hyderabad, IN;
Murugesh Prashanth Subramaniam, Chennai, IN;
Harikrishna Parthasarathy, Chennai, IN;
Srinivas Venkata Veeramreddi, Hyderabad, IN;
Murugesh Prashanth Subramaniam, Chennai, IN;
Harikrishna Parthasarathy, Chennai, IN;
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
An output stage of a switching DC-DC converter includes a pair of transistors and a bias transistor connected between the transistors. A voltage regulator generates a bias voltage to bias a control terminal of the bias transistor with a fixed bias voltage. The voltage regulator is operable in a full-power mode and a low-power mode. The voltage regulator consumes larger current in the full-power mode than in the low-power mode. At low load currents, the voltage regulator is operated in the low-power mode when both the transistors in the pair of transistors are off, and in the full-power mode otherwise.