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  • TPS7A21: why PSRR is related to internal OPA's bandwidth

    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…

  • TPS7A21: Reflow test_TPS7A2133PYWDJ

    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".
    • Answered

  • TPS7A20: TPS7A2050PDBVR parallel operation ?

    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
    • Answered

  • RE: LP5907UV-3.0EVM: Using LDO to smooth output from boost converter

    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…

  • RE: LP5907: Output capacitor and filtering

    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…

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