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  • LM5157EVM-SEPIC: 60V Input Modifications

    Part Number: LM5157EVM-SEPIC Other Parts Discussed in Thread: LM5158 I was trying to use the LM5157EVM-SEPIC board to test the LM5158QRTERQ1 part. I am trying to test with an input range of 17V-60V and output 25V, so I made some modifications to the board…

  • LM5157EVM-SEPIC: LM5157EVM UVLO Resistor Divider Selection

    Part Number: LM5157EVM-SEPIC Other Parts Discussed in Thread: LM5158 , LM51581 I have a modified LM5157EVM SEPIC with an LM51581 where the Bias if fed by the input and output through diodes (J6 1-2, J7 1-2). I would like a turn on at 6V, and a turn on at…
    • Answered

  • LM5157EVM-SEPIC: Bias Pin Connection to Load Challenge

    Resolved
    Part Number: LM5157EVM-SEPIC Other Parts Discussed in Thread: LM5157 I am evaluating the LM5157 SEPIC. I would like to run the circuit below the 4V, so I am trying to move the bias pin from the input to the load. I am doing this by removing the J7 pin…
    • Resolved

  • LM5157EVM-SEPIC: Input Voltage Range for 0.5A to 1A load

    TI Thinks Resolved
    Part Number: LM5157EVM-SEPIC Hi, I have a question for input voltage range of LM5157EVM-SEPIC. It looks that the spec of input voltage range in electrical performance table requires 6V to 32V of input voltage for 1A load and 4V to 6V for 0.5A to 1A load…
    • Answered

  • LM5158-Q1: Fast temperature rise

    Resolved
    Part Number: LM5158-Q1 Other Parts Discussed in Thread: LM5157EVM-SEPIC , LM5158 , LM5157 Hello, we are trying to use the LM5158-Q1 in the SEPIC topology to output 25V with a max of 1A. We built a prototype and tested with a half amp load and saw a very…
    • Resolved

  • RE: LM25184EVM-S12: For 24V-in to 12V-out / I-out 2A

    Hi Sir, May I know if they could use the LM5157EVM-SEPIC to verify the function?
    • Answered

  • RE: TL497A: Boost/SEPIC converter

    Resolved
    Hello, The customer can use the LM5157 in flyback configuration, there is a flyback EVM with 4 outputs available on the product folder ( https://www.ti.com/tool/LM5157EVM-FLY ), the schematic is at page 13 of the user's guide ( https://www.ti.com/lit…

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