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  • UCC2819A: UCC2819A question ( IAC pin)

    Part Number: UCC2819A Other Parts Discussed in Thread: UCC2818 Hello. I have a question about UCC2819A. UCC2819A During evaluation, the input voltage and current oscillated, and the PFC coil sounded. Symptoms disappeared by attaching a capacitor to…

  • UCC2819A: ZEROPOWER comparator

    TI Thinks Resolved
    Part Number: UCC2819A Hello I have a question about UCC2819A. Please see the attached document for details. Thank you. UCC2819A-11.pdf

  • UCC2819A: about zero power comparator.

    TI Thinks Resolved
    Part Number: UCC2819A Hello. John-san https://e2e.ti.com/support/power-management/f/196/t/778376 thank you for your answer. I understand that we are shipping tests on the zero power comparator. We want to measure the device's capability at the…

  • UCC2819A: About operation of zero power comparator

    TI Thinks Resolved
    Part Number: UCC2819A Hello I have a question about UCC 2819A. For details, please see the attached document. Thank you. UCC2819A-1.pdf

  • UCC2819A: About abnormal noise (sound)

    TI Thinks Resolved
    Part Number: UCC2819A hello Thank you for your response. Well, I sent the waveform on 27th September, but is there a cause of the new sound more than the waveform? Also, Try reducing the bandwidth of CAOUT. The design might be only marginally stable.…

  • UCC2819A: About abnormal noise (sound)

    TI Thinks Resolved
    Part Number: UCC2819A Hello. I have a question about UCC 2819A. We create a board and check the operation. An abnormal noise(sound) occurred when turning on the power supply and operating. There is no noise when replacing the IC. IC in which noise…

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