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Showing 43 results View by: Thread Post Sort by
  • LM7800: LM7800

    Qiuli Guo
    Qiuli Guo
    TI Thinks Resolved
    Part Number: LM7800 Tool/software: LM7815CT/NOPB Please help to analyze whether it is oxidation and the reason for oxidation
    • 10 months ago
    • Power management
    • Power management forum
  • LM7800: Ambient Temp

    Brian Wang0928
    Brian Wang0928
    TI Thinks Resolved
    Part Number: LM7800 Team, In the d/s, it says that the recommended ambient temp is up to 125degre,max. However, in the below Fig2 and Fig3 they doesn't specific with 125degree ambeient temp. Could you offer entire diagram. Customer would like to qualify…
    • 3 months ago
    • Power management
    • Power management forum
  • Answered
  • LM7800: Effeciency calculation

    Mounir Ben ali
    Mounir Ben ali
    Resolved
    Part Number: LM7800 I used the "LM7805MP_NOPB" LDO in one of my projects, it did work and now I im preparing the power tree, the total power consumption is 5V/50mA and the input voltage is 9V,when i searched for the efficiency formula in this datasheet…
    • Resolved
    • 5 months ago
    • Power management
    • Power management forum
  • Answered
  • LM7800: LM7800 Split Power Supply +/_12V

    Barracuda
    Barracuda
    Resolved
    Part Number: LM7800 Other Parts Discussed in Thread: LM137 , LM337 Tool/software: Hi TI, I would like to build a basic Split Power Supply of +/_ 12V for Dual supply opamps working on breadboard. I was researching and found there is a lot of bad designs…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • LM7800: LM7805 Operating temperature range

    Shuji Ishiwata
    Shuji Ishiwata
    TI Thinks Resolved
    Part Number: LM7800 Other Parts Discussed in Thread: LM340 , LM1085 , UA78M Hi All, What is the operating temperature range for the LM7805 and LM7812? The datasheet only lists the LM340A and LM340, as shown below. Best Regards, Ishiwata
    • 6 months ago
    • Power management
    • Power management forum
  • LM7800: Theta JA of TO-220

    Noriyuki Takahashi
    Noriyuki Takahashi
    Part Number: LM7800 Other Parts Discussed in Thread: LM341 , Tool/software: Hi team Could you tell what the Theta JA of TO-220 is? I am not sure which is ture, 22.6 degree C/W or 54 degree C/W as below figure. I want to confirm this value not only…
    • 7 months ago
    • Power management
    • Power management forum
  • Answered
  • Regarding the supply stability of LM7800 tube products

    Kyohei
    Kyohei
    Resolved
    Part Number: LM7800 Tool/software: Hi team, We have received a proposal for pin-compatible replacement products for the following items due to the EOL of products from other companies: NJM7808FA NJM7812FA NJM7805FA NJM7806FA PBF As replacements…
    • Resolved
    • 10 months ago
    • Power management
    • Power management forum
  • Answered
  • LM7800: Can LM7805 be used below 0C?

    Joey V.
    Joey V.
    Resolved
    Part Number: LM7800 Tool/software: Hello, Datasheet only specifies operating conditions from 0C and above. Can this part be used in industrial applications below 0C? What's the approximate behavior degradation expected? Thanks
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • LM7800: LM7805 behavior with Comparator LM339

    Shrey Gupta
    Shrey Gupta
    Part Number: LM7800 Other Parts Discussed in Thread: LM339 Tool/software: Good morning everyone, I am currently working with the LM339 comparator and the LM7805 voltage regulator and have encountered an issue. When I connect the output terminal of the…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LM7800: Linear regulators

    Karthik A
    Karthik A
    Resolved
    Part Number: LM7800 Tool/software: Hi., Could you help me with the design calculation of C1 and C2(input and output)of LM7805.
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
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