发明名称 Power supply IC having switching regulator and series regulator
摘要 An integrated circuit for supplying power includes an IC chip having a rectangular shape and having a first edge and a second edge opposite the first edge, a switching regulator implemented on the IC chip and having a driver transistor whose ON time of switching is controlled to adjust an output voltage of the switching regulator, and a series regulator implemented on the IC chip, wherein the driver transistor of the switching regulator is positioned near the first edge, and the series regulator is positioned near the second edge.
申请公布号 US7856253(B2) 申请公布日期 2010.12.21
申请号 US20070717131 申请日期 2007.03.13
申请人 RICOH COMPANY, LTD. 发明人 AGARI HIDEKI;YOSHII KOHJI
分类号 H01L27/04;H04B1/38;G05F1/56;H01L21/822;H02M3/155;H02M3/156;H02M3/158;H04M1/00 主分类号 H01L27/04
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