Search tips
Showing 518 results View by: Thread Post Sort by

  • LM3478: Boost Convertor Not working

    Part Number: LM3478 I have designed a boost DC-DC convertor circuit using LM3478. The input voltage is 12V,13A (via AC-DC Power Supply) and the output voltage 24V,5A. Circuit has been worked fine for few days and suddenly the convertor is not working…

  • LM3478: Web bench refuses

    Part Number: LM3478 Other Parts Discussed in Thread: LM5022 , , POWERSTAGE-DESIGNER I asked Webbench for a SEPIC converter using the LM5022 or LM3478 20V-60V input 48V @ 1A output, and it says it can't, but it doesn't say WHY it can't. I would…
    • Answered

  • RE: LM3478: LM3478 3V to 40V Boost Converter

    Resolved
    Hello Daniel, I have not seen an update from you for the last 25 days, so I assume the questions are answered and the issue is solved. I close this thread now. If there is still something open, please reply and the thread will get opened again. If you have…
    • Answered

  • LM3478: Operation of current sense

    Resolved
    Part Number: LM3478 Other Parts Discussed in Thread: LM5155 , LM5158 There are few points I couldn't understand about current sense functionality in LM3478. The option to set current limit by choosing Rsn works like if voltage across Rsn (which is…
    • Resolved

  • LM3478: unstable PWM and audible noise

    TI Thinks Resolved
    Part Number: LM3478 Hello, I want to use LM3478 as a simple led driver, schematic is attached. The problem is that I can't get a stable duty cycle on the DR output. Components mostly follow the WEBENCH POWER DESIGNER. What went wrong?

  • LM3478: review schematic diagram

    Part Number: LM3478 hi teams: The customer has a product that uses TI's LM3478, with an input of 4-17V and an output of 5V/0.3A. Currently, there is a problem that when the input power fluctuates at low frequencies, the inductor L2 will make a noise…
    • Answered

  • LM3478: Temperature Failure of LM3478MMX/NOPB

    Resolved
    Part Number: LM3478 I am using LM3478MMX/NOPB for a boost topology and the device works fine at room temperature. When transitioning to cold (~-25C) the regulator no longer boosts the output to the 200V output that I need.
    • Resolved

  • LM3478: The LM3478 is not working properly on heavy loads

    TI Thinks Resolved
    Part Number: LM3478 Other Parts Discussed in Thread: LM348 Hi, I am an embedded developer at Thornhill Medical, a company that makes life support devices for military applications. We are currently using the LM3478 IC on of our product as a Flyback power…
    • Answered

  • LM3478: 12V to 200V boost converter

    Resolved
    Part Number: LM3478 Other Parts Discussed in Thread: PMP20183 Hi Team, We would like to ask your help regarding our customer's inquiry below. I'm writing this email to ask you my doubts about my design. My design is an SMPS boos converter, with…
    • Resolved

  • RE: LM3478: LM3478

    Hello Matta, I have not heard from you for more than two weeks now, so I assume you have found a solution. I am closing this thread now. Please open a new one in case of additional questions. Best regards, Harry

Didn't find what you are looking for? Post a new question.