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Showing 34 results View by: Thread Post Sort by
  • LMZ14202H: Short circuit problems

    user6356451
    user6356451
    Part Number: LMZ14202H Hi I have a problem with LMZ14202HTZE/NOPB. I test my circuit on lab bench with power supply and works great. But when I connect 24V with a simple manual switch it turns out to burn with smoke. I measured why is that so and only…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LMZ14202H: is it possible to generate 26.5Vout from 28Vin ?

    Namsik You
    Namsik You
    Resolved
    Part Number: LMZ14202H Other Parts Discussed in Thread: LMR33620 , LMR36520 , , LMZ14202 HI, I designed 26.5 V output from 28 V Input by LMZ14202HTZ. Most samples worked normally, but some samples failed to generate 26.5 voltages. This happens…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • LMZ14202H: Audible noise from the LMZ1420xH

    Emanuel Marinescu
    Emanuel Marinescu
    TI Thinks Resolved
    Part Number: LMZ14202H Other Parts Discussed in Thread: LMZ14201H , , TPS51622 , TL4242-Q1 I am using the LMZ14201H and LMZ142010H as a power supply in an LED lamp circuit. The LED string current is controlled by a linear driver at constant current…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LMZ14202H: The IC becomes unstable at input voltages equal or less as outputvoltage

    Heinrich Keller
    Heinrich Keller
    Resolved
    Part Number: LMZ14202H Other Parts Discussed in Thread: LMZM33602 Hello, we use the LMZ14202H to generate 12V for supplying of Relays and smal motors. T he problem with the IC is that it starts to oscillate when the input voltage drops below 15V.…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LMZ14202H: Regulator failure at 32VDC Input

    Matt Korf
    Matt Korf
    Resolved
    Part Number: LMZ14202H Hello there, I have been designing a product around the LMZ14202H regulator. Basically, we have a product we want to operate in the range of 12-36VDC. All is well until we get to about 32VDC at which point when power is applied…
    • Resolved
    • over 6 years ago
    • Power management
    • Power management forum
  • RE: LMZ14202H: design of a multiple output power supply

    Jimmy Hua
    Jimmy Hua
    Hi, I'll be closing this thread now. If you reply to this thread, it will reopen and we can continue if you have any more questions that need answering. Regards, Jimmy
    • over 7 years ago
    • Power management
    • Power management forum
  • LMZ14202H: The website says it has tracking but I don't see it

    Jeff Halnon
    Jeff Halnon
    TI Thinks Resolved
    Part Number: LMZ14202H Other Parts Discussed in Thread: LMZ14202 , I'm looking for a power module that can limit its output as a function of an external input. The website says the LMZ14202 has Enable and Tracking. But I see no reference to tracking in…
    • over 7 years ago
    • Power management
    • Power management forum
  • Answered
  • LMZ14202H reflow question

    Jeff Moss
    Jeff Moss
    Resolved
    We have parts on both sides of the pcb, so it needs to go through reflow twice, however the data sheet says this part can only go through reflow once. How can that be? Solutions?
    • Resolved
    • over 9 years ago
    • Power management
    • Power management forum
  • Answered
  • LMZ14202H failures, different substrates

    Jeff Moss
    Jeff Moss
    Resolved
    We have had a few failures of part number LMZ14202HTZNOPB after a couple hours of service. All of the failures are shorts that cause a fuse to blow on the board. All failures come from a date code of 1344. I ready that a process change occurred in this…
    • Resolved
    • over 9 years ago
    • Power management
    • Power management forum
  • Answered
  • LMZ14202H high output ripple

    Gil Hersko
    Gil Hersko
    Resolved
    Other Parts Discussed in Thread: LMZ14202H hello everyone, i'm facing with very annoying ripple problem. I have two LMZ14202H modules in my circuit design, both of them gets 28v input. one is configured for 12v, and the second for 9v when I measure…
    • Resolved
    • over 10 years ago
    • Power management
    • Power management forum
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