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CONTROL CIRCUIT FOR SINGLE CHIP IC

  • US 20100066342A1
  • Filed: 11/07/2008
  • Published: 03/18/2010
  • Est. Priority Date: 09/17/2008
  • Status: Abandoned Application
First Claim
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1. A control circuit for a single chip IC controlled by an external power, comprising:

  • a regulating circuit controlled by the external power and comprising a regulator to be enabled to generate an internal power for an internal circuit of the single chip IC;

    an MCU controlled by the internal power and generating a switch signal to disable the regulator when the internal circuit of the single chip IC is standby; and

    a trigger circuit controlled by the external power and generating a trigger signal based on an external signal to enable the regulator.

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