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  • LM5157: Custom Circuit Design Check for LM5157

    TI Thinks Resolved
    Part Number: LM5157 Greetings, I designed the LM5157 circuit according to its eval board. Input voltage is regulated 5V and output is 12V 1 - 1.2 A. I made some changes on some of the components. Red text near that component is eval board values, so …

  • RE: LM5157: LM5157 design question...

    Hello Peter, What is the minimum and maximum input voltage for this design? For now, I suspect VIN = 11V to 16V. VOUT = 24V IOUTmax = 1A Please correct if I misunderstood something. I would recommend increasing the UVLO voltage if the battery does not…
    • Answered

  • LM5157: About the connection resistance of UVLO

    Resolved
    Part Number: LM5157 Hi team, The application note recommends 61.5k and 71.4k for UVLO resistance value considering hysteresis. What will happen if I connect a resistor with a value far from these values? I am planning to use it only as an enable function…
    • Resolved

  • LM5157: Boost IC recommand_LM5157 alternative part

    TI Thinks Resolved
    Part Number: LM5157 Other Parts Discussed in Thread: LM5155 , LM5156 , LM5022 Team May I ask you alternative part for LM5157? Sine we don't have sample for LM5157, I want find other one. Here is spec for this item Vin : 10V Vout : 12.5~17V Current …

  • LM5157: Schematic Review

    Part Number: LM5157 Other Parts Discussed in Thread: LM5158 , LM5156 , Hi team, I've got a schematic review from the customer. They want to get confirmed of their R,L,C value if they use LM5157x, not LM5158(it's on the schematic but please think it LM5157x…

  • RE: LM5157: The PSpice Simulation model for Transient Analysis of the SEPIC configuration fails with the message "ERROR(ORPSIM-16318): Missing or invalid expression"

    Hi Brigitte , I just realized that I had responded to your question long time ago by directly replying to the email that I had received and not using this forum. Answer to your question: "No, I used the model as it is. No changes to the model."…

  • LM5157-Q1: SIMPLIS model or equivalent part model

    Part Number: LM5157-Q1 Hi , Is there a SIMPLIS model for LM5157-q1 or for any other equivalent part to be used as DCM flyback? Simple pwm switcher is also ok. My main purpose is to use the MDM tool to design a transformer for my circuit design.
    • Answered

  • LM5157-Q1: EMI performance curves as flyback

    Resolved
    Part Number: LM5157-Q1 Other Parts Discussed in Thread: LM5157EVM-FLY I am trying to design a flyback converter using LM5157-Q1 Is there an EMI performance report of this IC used as a flyback? My specs are: Input: 8 to 18V Output:+15,-8,+15,-8,+15,-8V…
    • Resolved

  • RE: LM5157: LM5157 output current rating for each rail

    Hi Red, sorry for that big delay. Here is some additional info on this configuration: The 10V rail supplies the low side drivers of all three phases, and also control circuit. Each 20V rail is for one of the high side drivers. V3 has additional load on…

  • LM5157: require simplis model

    Part Number: LM5157 Need simplis model for Lm5157 to do stability analysis in simtrix Regards, Sibichakkaravarthy D

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