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  • LM51231-Q1: PSPICE reference design

    Resolved
    Part Number: LM51231-Q1 Other Parts Discussed in Thread: LM5156 Hi TI experts, Do you have a PSPICE reference design for LM5123(1) that is running without convergence issues? Customer wanted to run a simulation for a 24Vin, 56V, 2A output boost application…
    • Resolved

  • LM51231-Q1: LM51231-Q1 simulation - Output voltage issue

    Part Number: LM51231-Q1 I downloaded the Pspice transient model and I configurated as the circuit that we are using. The circuit is configurated to the voltage output range of 15V-57V but when I set 0.98V to the TRK input I do not get more than 30V as…

  • LM51231-Q1: 3D Model File

    TI Thinks Resolved
    Part Number: LM51231-Q1 Hi team, I cannot download .step file from below link. https://vendor.ultralibrarian.com/TI/embedded/?gpn=LM5123-Q1&package=RGR&pin=20&sid=01875ac9be68001c326f969cf9c50506f0033067007e8&c=1 Could you provide this…
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  • LM51231-Q1: Voltage References and Phase Compensation

    Resolved
    Part Number: LM51231-Q1 Hi team, I have questions. How can I decide the out put voltage? How should I do for phase compensation? Best Regards, Shoji
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    • Answered

  • LM51231-Q1: Simetrix model

    Resolved
    Part Number: LM51231-Q1 Hello May I get the simetrix model of LM5123EVM or any other reference designs? Thank you!
    • Resolved

  • LM51231-Q1: LM51231-Q1 MOS heat dissipation design

    Part Number: LM51231-Q1 Other Parts Discussed in Thread: LM5155-Q1 Hi Expert, Thanks a lot for your warm help on my daily work! My customer using LM5155-Q1 as a power supply to audio amplifier. Pout=160W, Vout=14.4, Vin=10.7,Fsw=2.1M, Ambient temprature…

  • LM51231-Q1: Bypass mode's question and issuses

    TI Thinks Resolved
    Part Number: LM51231-Q1 Hi team, 1.Question regarding the LM51231 bypass mode, from datasheet below, when the VOUT> Vtrk*Kfb*Vovth & Vcsp-csn> 6mV, will enter bypass mode, When in bypass mode, from below description, the high side MOS can switch…
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  • LM51231-Q1: vs LM5123-Q1?

    Resolved
    Part Number: LM51231-Q1 Other Parts Discussed in Thread: LM5123-Q1 , Hi Team, what is the main difference between LM51231-Q1 and LM5123-Q1? BR, Stefan
    • Resolved

  • LM51231-Q1: TRK pin input impedance

    Part Number: LM51231-Q1 Hello, Can you please share the input impedance for the TRK pin of this device? The datasheet mentions this is high impedance but we would like to understand in detail to ensure the simulation are accurate. Thank you, Alex Re…

  • LM51231-Q1: Failure of device to boost after some usage - 5V VCC reference no longer present

    TI Thinks Resolved
    Part Number: LM51231-Q1 Hello, We have a boost regulator design using the LM5123 device where we boost 6V-8.4V up to 12V and pull ~4A. We have had success with this device so far, but recently we have had two supplies fail to boost (pass through the…

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