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. 09, 2011
Filed:
Oct. 22, 2009
Tsz Yin Man, Hong Kong, CN;
Chi Yat Leung, Hong Kong, CN;
Ka Nang Leung, Hong Kong, CN;
Philip Kwok Tai Mok, Hong Kong, CN;
John Man Sun Chan, Hong Kong, CN;
Tsz Yin Man, Hong Kong, CN;
Chi Yat Leung, Hong Kong, CN;
Ka Nang Leung, Hong Kong, CN;
Philip Kwok Tai Mok, Hong Kong, CN;
John Man Sun Chan, Hong Kong, CN;
The Hong Kong University of Science and Technology, Hong Kong, CN;
Abstract
A low-dropout regulator with a single-transistor-control providing improved transient response and stability is disclosed. The single-transistor-control provides a dynamic resistance at the output of the regulator for minimizing undershoot and overshoot, and hence improves transient response. Since the single-control transistor reduces the output resistance of the regulator, the output pole is pushed to a sufficiently high frequency without affecting stability. Therefore, the limited choice of combinations of the output capacitance and its equivalent-series-resistance is substantially relaxed.