%0 Journal Article %T High Efficiency Realization of a DC-DC Converter at Light Loads for Portable Applications
便携应用DC-DC轻负载高效率的实现 %A Yuan Bing %A Lai Xinquan %A Li Yanming %A Ye Qiang %A Wang Hongyi %A Jia Xinzhang %A
袁冰 %A 来新泉 %A 李演明 %A 叶强 %A 王红义 %A 贾新章 %J 半导体学报 %D 2008 %I %X A novel control structure for a DC-DC converter is presented.At light loads,the chip enters power save mode automatically and works in fixed peak current mode with standby intervals by detecting the feedback voltage.It reduces the average quiescent and switching power loss greatly,which increases efficiency at light loads and extends battery life in portable systems.Internal synchronous rectification eliminates the need for a Schottky diode and increases efficiency further.A DC-DC buck converter with the pr... %K DC-DC buck converters %K efficiency %K light loads %K power save mode %K standby state
降压DC-DC变换器 %K 效率 %K 轻负载 %K 省电模式 %K 待机状态 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=025C8057C4D37C4BA0041DC7DE7C758F&aid=CD24FFB086AB19F292DF0CE8479FEC1E&yid=67289AFF6305E306&vid=771469D9D58C34FF&iid=B31275AF3241DB2D&sid=9978E8308B7F7CE6&eid=9E33BE6F309BC209&journal_id=1674-4926&journal_name=半导体学报&referenced_num=0&reference_num=11