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Current Control Circuits

  • US 20100194462A1
  • Filed: 02/02/2009
  • Published: 08/05/2010
  • Est. Priority Date: 02/02/2009
  • Status: Active Grant
First Claim
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1. A current control circuit comprising:

  • a first MOS transistor having a first source/drain coupled to an output of a power source, and a second source/drain of the first MOS transistor coupled to a first output node of the current control circuit;

    a second MOS transistor having a first source/drain coupled to the output of the power source, a second source/drain of the second MOS transistor coupled to a second output node of the current control circuit; and

    means for blocking flow of current from the first output node of the current control circuit to the second output node of the current control circuit when a potential at the first output node is higher than a potential at the output of the power source.

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