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TPS62660: About parameter in datasheet @TPS62660

teritama
Expert 2165 points
Part Number: TPS62660
Other Parts Discussed in Thread: TPS62665

Hi team

I have some questions about datasheet of TPS62660.

Q1. What is means VNOM in p5(Electrical characteristics)?

Q2. What are the values of R1 and R2 in the Functional Block Diagram?

Q3. In datasheet, there is TPS62661, but I can't find this device in TI Web.

       I infer this device is classified by number at the end of part number.

      Is TPS62661 currently not handled?

Best regards.

  • 0
    TI__Intellectual 1525 points

    Hi Teritama,

    VNOM is your nominal output voltage, e.g. 1.2V for TPS62665. This means, your actual output voltage is typically 1.2V, but it can be as low as 1.176V or as high as 1.236V if you consider the conditions given in the upper part of the table.

    R1 and R2 in the Block Diagram are the device internal feedback divider resistors and thier value is dependent on the output voltage of the converter.

    The TPS62661 is still mentioned in the datasheet, but this device was never released and is obsolete. It should be removed from the datasheet soon.

  • 0 in reply to Bjoern Goerner
    Expert 2165 points

    Hi Görner,

    Thank you for the fast reply.

    >VNOM is your nominal output voltage, e.g. 1.2V for TPS62665.

    Does upper answer means that TPS62660 and TPS62665 can output only 1.8V and 1.2V?

    In datasheet, this device can output fixed voltage from 1.2V to 2.3V.

    Can we make 2.3V by this device?

    Best Regurds,

  • 0 in reply to teritama
    TI__Intellectual 1525 points

    Hi Teritama,

    only the 1.8V and 1.2V versions are available. The 2.3V should have been removed from the datasheet togehter with the TPS62661.