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.

Date of Patent:
Mar. 04, 2003

Filed:

Sep. 07, 2000
Applicant:
Inventors:

Ronald J. Lenk, Sunnyvale, CA (US);

Nazzareno Rossetti, Danville, CA (US);

Kimble Smith, Mountain View, CA (US);

James Holt, Los Altos, CA (US);

Assignee:

Fairchild Semiconductor Corporation, South Portland, ME (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/40 ;
U.S. Cl.
CPC ...
G05F 1/40 ;
Abstract

A switching regulator having an active droop voltage generator that is responsive to a drain-to-source current of a current sense element within the switching regulator. A droop signal affects the duty cycle of a pulse-width modulated signal generated by control loop. The pulse width modulated signal is fed back to the input of the switching regulator to control the amount of droop. The droop voltage generator is programmable, having a selectable gain-setting resistor.


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Lenk, Ronald. (2003). Fet sensing programmable active droop for power supplies (U.S. Patent No. 6528976). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6528976

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