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Original question:

LM61495-Q1: LM61495QRPHT-Q1

LM61495-Q1: LM61495QRPHT-Q1

cho inho
Prodigy 85 points
Part Number: LM61495-Q1

Hi. teams

The board I built with your help last time is working fine. Thank you. I have one question for you. Currently, the value of L43 is 2.4uH, but there is no stock in the market,
so I wonder if it can be applied with 2.2uH for the same performance. If it can be changed, is there any other effect? Is there any change in the part value?
First of all, I wonder if there are any performance issues.

Regards.

 

  • 0
    TI__Guru 50120 points

    Hi,

    That is good to hear that the circuit in your application is working fine. Changing the L43 inductor from 2.4uH to 2.2uH should not cause that might difference.

    The general idea is that given a fixed switching frequency and input/output operation, the lower inductor will have slightly higher inductor ripple current. 

    However since 2.4uH and 2.2uH are so close to each other, you can expect similar electrical performance. 

    Regards,

    Jimmy