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  • TPS54540: TPS54540 Theta Jctop Ja heat spec

    Resolved
    Part Number: TPS54540 I am TSR for NEC. I got the following question from NEC. Please answer it. For TPS54540DDAR at Input 24V, Output 5V & 3.3V, Customer is considering using it in a power supply circuit. Looking at the data sheet, the thermal resistance…
    • Resolved

  • TPS54540: TPS54540DDAR Spec for Heat resistance Theta JCtop Ja

    TI Thinks Resolved
    Part Number: TPS54540 I am TSR for NEC. I got the following questions from NEC engineer. For TPS54540DDAR at Input 24V, Output 5V & 3.3V, Customer is considering using it in a power supply circuit. Looking at the data sheet, the thermal resistance…
    • Answered

  • TPS54540: Does TPS54540 Vout can quick discharge when remove the loading?

    Resolved
    Part Number: TPS54540 Other Parts Discussed in Thread: TPS62903-Q1 Hi team, My customer asked that can TPS54540 quick discharger when we remove the loading? they have one situation that will disable output loading and this moment would need to Vout disch…
    • Resolved

  • TPS54540: TPS54540 and TPS84529

    TI Thinks Resolved
    Part Number: TPS54540 Other Parts Discussed in Thread: TPS84259 , TPS54040A , TPS54060A , TPS5430 , TPS5450 Hi, Good Day. I have a customer who is working with TPS54540 and TPS84529. Please see below his query for your reference. Thank you very much. I am…
    • Answered

  • TPS54540: CIN Minimum Equation

    Resolved
    Part Number: TPS54540 Hi All I did calculations for each component selection for TPS54540, but I didn't find the formula for Minimum Capacitor Input (CIN_Min) I would like to know is there any equation for CIN_Min selection? Looking forward to your…
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    • Answered

  • TPS54540: Start Up sequence for Switching Frequency

    Resolved
    Part Number: TPS54540 Hi All, I tried to measure the switching frequency for IC TPS54540 , we get the normal frequency at 2MHz in the operating condition But when I try to measure the start up sequence of Switching frequency with the Oscilloscope, the…
    • Resolved

  • TPS54540: SCH review

    Part Number: TPS54540 Hi team: my customer feedback that they uses the TPS54540 DCDC power supply chip, and uses the BUCK-BOOST method to output a negative 12V voltage. At present, there is one device in the production process, the output is only about…

  • LMR33640: What are the differences between LMR33640 and TPS54540?

    TI Thinks Resolved
    Part Number: LMR33640 Other Parts Discussed in Thread: TPS54540 Hi Team, My customer wants to replace tps54540 with LMR33640.Any things should take into consideration? Thanks and regards
    • Answered

  • TPS54540: TPS54540 vs TPS54540B

    Resolved
    Part Number: TPS54540 Other Parts Discussed in Thread: TPS54340B , TPS54340 , Hi Team, My customer would like to know the difference between TPS54540 and TPS54540B(TPS54340 and TPS54340B). Could you tell me the differences? Regards, Takashi Onawa
    • Resolved

  • TPS54540B: TPS54540B differs from TPS54540

    TI Thinks Resolved
    Part Number: TPS54540B Other Parts Discussed in Thread: TPS54540 , What is the difference between TPS54540B and TPS54540? Does the specification book not see the specific parameter difference? Is it an upgrade?

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