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Control circuit of power supply unit, power supply unit and control method thereof

  • US 20080052550A1
  • Filed: 08/15/2007
  • Published: 02/28/2008
  • Est. Priority Date: 08/22/2006
  • Status: Active Grant
First Claim
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1. A control circuit of power supply unit for controlling output voltage with electric power supplied from an external power supply, comprising:

  • a monitoring portion monitoring current and voltage outputted from the external power supply and the output power of the external power supply; and

    a setting portion setting the upper limit value of current outputted from the external power supply based on a result of monitoring by the monitoring portion.

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