DocumentCode
1255143
Title
25 mA LDO with -63 dB PSRR at 30 MHz for WiMAX
Author
Yeung, Sai Ho ; GUO, Jun ; Leung, Ka Nang
Author_Institution
Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin, China
Volume
46
Issue
15
fYear
2010
Firstpage
1080
Lastpage
1081
Abstract
A low-dropout regulator (LDO) with high power-supply rejection ratio (PSRR) is presented. The high PSRR at high frequency is enabled by a signal-nulling technique achieved by a wide-bandwidth feedforward path. Experimental results verify the outstanding performance.
Keywords
WiMax; WiMAX; current 25 mA; frequency 30 MHz; high power-supply rejection ratio; low-dropout regulator; signal-nulling technique; wide-bandwidth feedforward path;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el.2010.1547
Filename
5521385
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