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LM3478: what is the diffence between 3478 and 3488

Part Number: LM3478
Other Parts Discussed in Thread: LM3488

Hi Sir,

What is the parameter of LM3478 different from LM3488 in datasheet?

thank you.

  • Hi Chentsu,

    Below are the parameter difference between the LM3488 and the LM3478

    1.Reference voltage
    The LM3488 has a tighter feedback voltage rating over temperature.
    2. Minimum on-time
    The LM3488 has a slightly lower minimum on-time
    3. Supply current
    The LM3488 has a lower supply current when switching
    4. Shutdown Current
    The LM3488 has a lower shutdown supply current over temperature

    Thanks,

    Garrett
  • Hi Garrett,

    Thank you!