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LM2576: getting 1.6 v output ......but using a fixed 5v lm2576

godwin nishanth
Prodigy 10 points
Part Number: LM2576

the output for the circuit is 1.6 v but we are using a fixed 5v lm2576. the circuit we were following was given by lm2576 datasheet

  • 0
    TI__Genius 11040 points

    Hello,

    There are many potential causes of an incorrect output voltage (instability, wrong component placement, layout problems, etc.). I want to understand more about your LM2576 design.  Could you share your PCB layout?  Also, are you seeing 1.6V output under all conditions (loaded, unloaded, across Vin range)?  Could you also share a waveform of VIN, VOUT, and SW under conditions where you see the 1.6V output?

    Best Regards,

    Katelyn Wiggenhorn

  • 0 in reply to Katelyn Wiggenhorn
    TI__Genius 11040 points
    Hello,

    I am going to close this thread due to inactivity. Please feel free to ask additional questions if this issue persists.

    Best Regards,
    Katelyn