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  • TPS54040A: PWRGD Comperator Output Voltage

    Resolved
    Part Number: TPS54040A Other Parts Discussed in Thread: NE555 Hi. In DS I found only on-resistance for PWRGD with 50R (typ) if active. But due to open drain output I guess there is still a min voltage level on output if PWRGD asserts to low. My application…
    • Resolved
    • Answered

  • RE: TPS54240: Difference with TPS54040A

    Resolved
    Hi Jejomar, My comment about the compensation network is just something to keep in mind. Ideally, keeping all else the same, the crossover frequency will be increased by 3 times, which is less than a decade away from what you would have had with the TPS54040A…

  • TPS54040A: Difference

    TI Thinks Resolved
    Part Number: TPS54040A Other Parts Discussed in Thread: TPS54040 , TPS54060 , TPS54060A Hi, Good Day. On the link below, it says that TPS54040A has Over Current Protection and TPS54040 does not. https://www.ti.com/assets/js/compareParts/compare.html?familyId…

  • TPS54040A: PSPICE simulation

    Part Number: TPS54040A Hi Team, I regards to the TPS54040A, my customer have noticed some odd behavior when simulating the part. I have attached a screenshot of the output voltage from the PSPICE transient simulation available on your website ( https…

  • TPS54040A: TPS54040A Tina Transient analysis is very slow

    TI Thinks Resolved
    Part Number: TPS54040A Hello, the Tina transient analysis of the TPS54040A runs very slowly. Is there a way to speed it up?

  • TPS5401: Main difference between TPS54040A?

    TI Thinks Resolved
    Part Number: TPS5401 Other Parts Discussed in Thread: TPS54040A , , TPS560430 , LMR50410 , LMR33610 , LMR36506 , LMR36506-Q1 Hi Team, I wanted to check with you if there is any significant difference between our TPS5401 and TPS54040A other than the tighter…

  • TPS54040A: TPS54040A and TPS54040A

    TI Thinks Resolved
    Part Number: TPS54040A Other Parts Discussed in Thread: TPS54040 , LMR33620 , LMR36006 , LMR36015 Hi everyone, I am a bit overwhelmed whit the large choice of switching regulators out there so I wonder if someone can give me a few tips. My design is basically…

  • TPS54040A: TPS54040A

    TI Thinks Resolved
    Part Number: TPS54040A Other Parts Discussed in Thread: LMR33620 Hi, We are planning to use TPS54040ADGQR in our system to source FPGA power supply (3.3V @1A) which will undergo EMI/EMC testing (MIL-STD-461E grade with center frequency of 700kHz application…

  • TPS54040A: Inverting Buck Boost

    TI Thinks Resolved
    Part Number: TPS54040A Other Parts Discussed in Thread: TPS54040 Hi Team, I have a customer who is trying to build an inverting buck boost with the TPS54040A and is having some issues with it: (Vin = 15V, Vout = -5V, 1.5MHz switching frequency) -5V runs…

  • TPS54040A: TPS54040ADGQR - discoloration

    TI Thinks Resolved
    Part Number: TPS54040A For this part, the leads of the parts were found as discoloration, seems like oxidation as attached photo. We saw that lead finish is copper, is that normal? And is that still good to use? Thanks, Brian

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