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  • LM70880QEVM: Possibility to order LM70880QEVM module and tweak it to produce 24Vout with 36Vin ?

    TI Thinks Resolved
    Part Number: LM70880QEVM Other Parts Discussed in Thread: LM70880 Hello everybody here, working on a power stage I would like to step 36Vin down to 24Vout up to 8A. I found LM70880 device could allow this but I would try it using its evaluation module…

  • LM70880QEVM: LM70880QRRXRQ1 Bias pin on Vin 5V Vout .85V

    Part Number: LM70880QEVM I was wondering if it is okay to tie the BIAS pin to agnd if I have a 5Vin and .85Vout design since i dont hae a higher reference votlage for the BIAS pin. Will this just make switching less efficient and use VIN? How much less…

  • LM70880QEVM: Efficiency Lower Than User Guide and Datasheet

    Part Number: LM70880QEVM Other Parts Discussed in Thread: LM70880-Q1 , LM70880 Hello TI, I have the LM70880QEVM evaluation board with no modifications. I am measuring the efficiency using standard Kelvin technique as described in the User Guide (voltage…
    • Answered

  • LM70880QEVM: SubHarmonic oscillation

    Resolved
    Part Number: LM70880QEVM Tool/software: Hi, I am trying to design a buck converter with an input voltage between 33V and 51V. The output voltage is 20V. The output current is between 100mA and 400mA. The converter works for input voltage between 37V…
    • Resolved

  • LM70840-Q1: Gerber files for the EVM LM70880QEVM

    TI Thinks Resolved
    Part Number: LM70840-Q1 Other Parts Discussed in Thread: LM70880QEVM Tool/software: I need the Gerber files for the EVM LM70880QEVM to compare the thermal pad requirements.
    • Answered

  • LM70880QEVM: Modifications and evaluations of the LM70880Q EVM

    Resolved
    Part Number: LM70880QEVM Other Parts Discussed in Thread: LM70860 , LM70880 Tool/software: Hello, I am designing a board that will have a bunch of these DCDC converters on board. I will be modifying the EVM of this part to evaluate my configuration…
    • Resolved
    • Answered

  • LM70880QEVM: LM70880 duty cycle being unstable when synchronized

    Resolved
    Part Number: LM70880QEVM Other Parts Discussed in Thread: LM70880 Tool/software: Hi, I have some troubles to understand what happens on the LM70880Q1 EVM. I modified the demoboard to set the converter to my final operating point. Input voltage…
    • Resolved
    • Answered

  • LM70880QEVM: EVM Vout drop

    Resolved
    Part Number: LM70880QEVM Tool/software: HI Customer test out EVM and they found vout drop at 8A ,Could you help to check this ,thanks. Vin 48V Vout 12V Iout : 1~8 A
    • Resolved
    • Answered

  • RE: LM70840-Q1: The output goes almost to 0 when the input voltage exceeds 36/37 Volts

    Resolved
    Hi Ben, I'll see about getting the EVM LM70880QEVM Thanks Andrea
    • Answered

  • RE: LM70860-Q1: LM70860-Q1 Footprint, EVM Design files

    Resolved
    Hi omer, For the EVM - please check this https://www.ti.com/tool/LM70880QEVM (The EVM has the 8A variant of the device mounted - LM70880-Q1). The User Guide: https://www.ti.com/lit/ug/snvu872a/snvu872a.pdf has the schematic, layout and test results…

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