Answered

• LP2998-Q1: Can VDDQ be connected to PWM to dynamically adjust the output of VTT?

  

  Guohai Lin

  Resolved

  Part Number: LP2998-Q1 Other Parts Discussed in Thread: LP2998EVAL , Hi team， Hope you‘re doing well! 1、What is the delay/calculation between VTT and VDDQ? 2、Can VDDQ be connected to PWM to dynamically adjust the output of VTT? 3、How will VTT…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum

• RE: LP2998: Output is 0.85V not 0.9V

  

  James Steenbock

  Hi Raju, I just checked on our LP2998EVAL board and I'm seeing 1.801V input to VDDQ with 0.908 out on the VREF pin. The only way to increase the regulation point would be to increase the input voltage. After looking at the specification, it seems…

  • 22 days ago
  • Power management
  • Power management forum

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