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LMR36520: LMR36520 not working

Kevin Slavinec
Prodigy 50 points
Part Number: LMR36520


Hello,

we are experiance strange behavior on LMR36520. We have made few different PCB with same DC-DC and one some PCB's works like charm and on other its not even working. Here is schematis converting 24V to 5V. Also there is attached PCB.

Screenshot 2025-11-09 112751.png

Screenshot 2025-11-09 112617.png

  • 0
    TI__Genius 11130 points

    Hi,

    When you say it does not work, does the DC-DC not turn on at all or does it stop working after some time?

    Can you check the voltages at EN and VCC pins in the case it does not work?

    Also, what is your load current?

    Regards,

    Niranjan