Power supply IC having switching regulator and series regulator

  • US 20040135626A1
  • Filed: 12/04/2003
  • Published: 07/15/2004
  • Est. Priority Date: 12/13/2002
  • Status: Active Grant
First Claim
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1. An integrated circuit for supplying power, comprising:

  • 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 said IC chip and having a driver transistor whose ON time of switching is controlled to adjust an output voltage of said switching regulator; and

    a series regulator implemented on said IC chip, wherein said driver transistor of said switching regulator is positioned near the first edge, and said series regulator is positioned near the second edge.

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