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• RE: LM3880: Power Sequencer for Spartan 7

  

  Travis Williams

  Resolved

  Hi Mathieu, To answer your questions: 1. As shown in the block diagram, the pullup is a 7uA current source rather than a plain resistor. 2. Yes, the comparator should draw negligible current. This ensures that the EN pin is dominated by an external…

  • over 2 years ago
  • Power management
  • Power management forum

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