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LM63635-Q1: EMI spec

Roy Chou1
Genius 12585 points
Part Number: LM63635-Q1
Other Parts Discussed in Thread: LM63625EVM

Team,

We use LM63635-Q1 to achieve Vin = 26V, Vout = 12V, Iout = 2.5A. Could you let me know whether this part could pass below EMI test? Is it easy to pass if we follow the layout? 

Roy

  • 0
    TI__Guru 57555 points

    Hello

    Unfortunately, it is always tricky to pass an EMI specification.

    Your input voltage is 26V, so you will get more radiated EMI than at a lower input, but your

    conducted EMI should be about the same as shown in the data sheet.

    My best advice would be to purchase the LM63625EVM (for TSSOP) and test it under your

    application conditions.

    Then if that works for you, you can copy the EVM layout and the EMI filer.

    Thanks

  • 0 in reply to Frank De Stasi
    TI__Guru 57555 points

    Hello

    I will close this post due to inactivity.

    If you need more help, you can re-open.

    Thanks