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Showing 5 results View by: Thread Post Sort by
  • TPS7A21: why PSRR is related to internal OPA's bandwidth

    justifice zhou
    justifice zhou
    TI Thinks Resolved
    Part Number: TPS7A21 Hi, I'm reading the article of Masashi Nogawa. LDO noise examined in detail (ti.com) In page 3 it says: But in reality an error amplifier tends to have a very wide bandwidth, so the LDO device has very good power-supply ripple…
    • 7 months ago
    • Power management
    • Power management forum
  • TPS7A21: Reflow test_TPS7A2133PYWDJ

    Tsukasa Ito
    Tsukasa Ito
    TI Thinks Resolved
    Part Number: TPS7A21 Could you please provide the Reflow test document ? Device name: TPS7A2133PYWDJ At first, I requested to CSC, but they not have the Reflow test document. They said, "Please request to e2e".
    • 11 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS7A20: TPS7A2050PDBVR parallel operation ?

    Leonid Sapozhnikov
    Leonid Sapozhnikov
    Resolved
    Part Number: TPS7A20 Other Parts Discussed in Thread: TPS7A21 , , TPS7A57 Is it designed to operate in parallel if I need more then 300mA it is providing? Thank you.
    • Resolved
    • 27 days ago
    • Power management
    • Power management forum
  • Answered
  • RE: LP5907UV-3.0EVM: Using LDO to smooth output from boost converter

    Stephen Ziel
    Stephen Ziel
    Resolved
    Hi Andrew, That specification for the LP5907 is across operating conditions including load. As you have stated, for a 15 mA load you do not need as much headroom. However the LP5907 is our older device and recently we released the next generation of this…
    • 1 month ago
    • Power management
    • Power management forum
  • RE: LP5907: Output capacitor and filtering

    Stephen Ziel
    Stephen Ziel
    Hi Graham, If you can place the LC filter on the input of the LDO, that is usually the preferred option. Q of an LRC circuit: Want to ensure Q < 2, so you can use this equation to determine if the filter is damped enough. Using low loss inductors…
    • over 1 year ago
    • Power management
    • Power management forum

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