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Showing 31 results View by: Thread Post Sort by
  • Y.Ottey
    Y.Ottey
    • 2 months ago
    • Power management
    • Power management forum

    UA78M: The value of RθJC and ψT

    TI Thinks Resolved
    Part Number: UA78M Dear TI team Our customer is considering the UA78M12CKVURG. Looking at the data sheet, RθJC and ψT are not specified for the KVU package. If you have the data, could you please tell me? Best Regards, Y.Ottey
  • Y.Ottey
    Y.Ottey
    • 6 months ago
    • Power management
    • Power management forum

    UA78M: the thermal resistance of the UA78M

    TI Thinks Resolved
    Part Number: UA78M Dear TI Team Our customers are requesting data on the thermal resistance of the UA78M mounted on a two-layer board (Low-k board). From the E2E link below, we have confirmed that the thermal resistance data of the UA78M described...
  • Shunsuke Nagata
    Shunsuke Nagata
    • 7 months ago
    • Power management
    • Power management forum

    UA78M: Max Cout value

    TI Thinks Resolved
    Part Number: UA78M Hi, Could you please let me know the maximum output cap value for UA78M05CDCYR? Is it possible to use 1uF ceramic capacitor to Cout? Regards, Nagata.
  • user5092672
    user5092672
    • 8 months ago
    • Power management
    • Power management forum

    UA78M: Regarding operating ambient temperature.

    TI Thinks Resolved
    Part Number: UA78M Could you tell me the maximum rating of the operating ambient temperature of the UA78M12?
  • Y.Ottey
    Y.Ottey
    • 8 months ago
    • Power management
    • Power management forum

    UA78M: Operation when current exceeding output peak current flows

    TI Thinks Resolved
    Part Number: UA78M Dear all, I would like to know about operation when current exceeding output peak current flows According to the data sheet, peak output current is specified as typ. 700mA. If inrush current flows to UA78M exceeding typ.700mA...
  • JCHK
    JCHK
    • 7 months ago
    • Power management
    • Power management forum

    RE: UA78M: Power LDO selection

    Hi Dheeraj, It looks like you have 28V IN and 3.3V OUT . Looking at the Op-amp datasheet the total input and output current is around 10mA. So the power dissipation would be around 250mW which should be OK. I hope this answers your question.
  • Qianqian
    Qianqian
    • 9 months ago
    • Power management
    • Power management forum

    UA78M: 24V input, 3.3V 200mA output

    TI Thinks Resolved
    Part Number: UA78M Can UA78M support 24V input, 3.3V 200mA output? If not ,is there other good choices?
  • Brian Wang0928
    Brian Wang0928
    • over 1 year ago
    • Power management
    • Power management forum

    UA78M: Vout Problem

    TI Thinks Resolved
    Part Number: UA78M Device: uA78M05IDCYR Vin: 22V Vout: 5V Iout:50mA Problem Description: When Input voltage is up to 22V with 50mA(ambient Temp is 25degree), the output voltage becomes abnormal and eventually dropping down to 0V. Why? In the...
  • Zhihong Huang
    Zhihong Huang
    • over 1 year ago
    • Power management
    • Power management forum

    UA78M: no output in - 50°C

    • Resolved
    Part Number: UA78M Hi team, UA78M33C is used for two Main boards. After the two main boards
  • David Woo
    David Woo
    • over 1 year ago
    • Power management
    • Power management forum

    UA78M: OTP and internal thermal- overload protection

    TI Thinks Resolved
    Part Number: UA78M We have below some questions on the internal thermal-overload protection of UA78M33IKVURG3. Please help. 1. Is there OTP function on UA78M33IKVURG3? 2. If there were OTP function or similar, what value is the value when over-temperature...
>

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