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. 23, 2011
Filed:
Mar. 26, 2009
Brian T. Irving, Hillsborough, NC (US);
Milan M. Jovanović, Cary, NC (US);
Sheng-hua LI, Taoyuan County, TW;
Yung Sheng Yeh, Taoyuan County, TW;
Chi-hsing Huang, Taoyuan County, TW;
Brian T. Irving, Hillsborough, NC (US);
Milan M. Jovanović, Cary, NC (US);
Sheng-Hua Li, Taoyuan County, TW;
Yung Sheng Yeh, Taoyuan County, TW;
Chi-Hsing Huang, Taoyuan County, TW;
DELTA Electronics, Inc., Neihu, Taipei, TW;
Abstract
A power supply having an specified hold-up time to take a input voltage and convert it to an output voltage, comprising: a first power stage to receive the input voltage; a second power stage to generate the output voltage and an output current; an intermediate charge storage device coupled between the first and second power conversion stages providing an intermediate output voltage in response to the input voltage; and a controller that controls the intermediate output voltage according to a voltage function that is associated with the hold-up time.