Low noi high PSRR band-gap with fast turn-on tim

更新时间:2023-06-20 11:16:24 阅读: 评论:0

tomato的音标专利名称:Low noi high PSRR band-gap with fast
turn-on time
发明人:Luan Vu
申请号:US09465992
申请日:19991216
today是什么意思公开号:US06278320B1
公开日:
从一个微笑开始
20010821deha
专利内容由知识产权出版社提供
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专利附图:
大学自主招生>金苹果学校
摘要:A band-gap filter circuit is disclod for u in a voltage regulator. A capacitor charger (or “cap charger”) circuit quickly charges a filter capacitor when power is
ck是什么意思applied to the voltage regulator circuit. At start-up, the cap charger begins charging the
filter capacitor. Once an output node equals or nearly equals the voltage at the input node, the cap charger shuts off. The circuit provides a very fast turn-on time, reaching 95% of its steady state value within 200 microconds, thus overcoming the long turn-on times associated with other designs. The prent invention may be utilized in power nsitive applications, such as cellular telephones, that wish to shut off the voltage regulator in order to conrve power.
申请人:NATIONAL SEMICONDUCTOR CORPORATION
代理机构:Beyer Weaver & Thomas, LLPnoticeable
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