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  • RE: TPS7A4001-EP: Powerpad recesssed into mold compound/ Dye penetration

    This is our first time seeing this. We have not seen any parametric fails on these units yet. All of the units observed with Powerpad recession are from the same lot.
    • Answered

  • TPS7A4001: Can I use this part number to built negative rail ?

    Resolved
    Part Number: TPS7A4001 Other Parts Discussed in Thread: LM337 Tool/software: Hi, I've been designing a bipolar SEPIC converter (+60V / -60V) and would like to incorporate an LDO in the circuit. Is it possible to use the TPS7A4001 on the negative rail…
    • Resolved
    • Answered

  • TPS7A4001-EP: TPS7A4001 pSpice model extra pin

    Resolved
    Part Number: TPS7A4001-EP Other Parts Discussed in Thread: TPS7A4001 Tool/software: Dear Sir: I downloaded TPS7A40001.LIB LT Spice model from TI site. Model has an extra "Bias" pin that actual IC does not have. What should I connect Bias pin…
    • Resolved

  • TPS7A4001-EP: Bypass capacitor selection

    TI Thinks Resolved
    Part Number: TPS7A4001-EP Other Parts Discussed in Thread: TPS7A4001 Tool/software: Hi, I am using TPS7A4001 voltage regulator, we have designed in a 47nF capacitor for the the bypass which is connected between the feedback pin and the output as a low…

  • TPS7A4001: Creepage

    TI Thinks Resolved
    Part Number: TPS7A4001 Other Parts Discussed in Thread: TPS23861 , Tool/software: Dear TI experts, The problem I am currently encountering is that after the four-port POE network card is connected to the lower camera device, the POE chip probability cannot…

  • TPS7A4001-EP: How to add tolerance & temperature data into pSpice model?

    Part Number: TPS7A4001-EP Other Parts Discussed in Thread: TPS7A4001 Tool/software: Customer wanted us to do worst case analysis (WCA) using component tolerance and temperature drift data running Monte Carlo pSpice simulation. After some experiments,…
    • Answered

  • TPS7A4001: Regulating a large negative voltage

    Resolved
    Part Number: TPS7A4001 Other Parts Discussed in Thread: LM337 I seek to have a very low noise dual rail supply (+-42.5V/50mA). The power rails will be generated by two isolated 48V to 42.5V DC/DC converters. To clean the positive side, I can simply use…
    • Resolved
    • Answered

  • TPS7A4001: TPS7A4001 dropout voltage

    Resolved
    Part Number: TPS7A4001 At the input of the LDO I have 70V. I put an NPN (PHPT61006NY) at the output of the tps7a4001 regulator to have a stronger current. Idle LDO with no load works as it should. once I put a 1kohm load at the output. the output voltage…
    • Resolved

  • TPS7A4001: TPS7A4001 dropout voltage

    TI Thinks Resolved
    Part Number: TPS7A4001 At the input of the LDO I have 70V. I put an NPN (PHPT61006NY) at the output of the tps7a4001 regulator to have a stronger current. Idle LDO with no load works as it should. once I put a 1kohm load at the output. the output voltage…

  • TPS7A4001: Operation at -65C

    TI Thinks Resolved
    Part Number: TPS7A4001 Hi We are operating at -65C we realise this is outside the minimum temperature of -40C. The output of the device just stays at zero volts we would like to know what is the most likely cause for this i.e would it be the current…

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