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LM26420: 3.3V Output with Input between 3.0V and 4.2V

Brenton Yiu
Prodigy 80 points
Part Number: LM26420

I'm looking to use the LM26420 in a design. The input voltage will be from 3.0V to 4.2V and I would like the output voltage to be 3.3V. Will this part work for my design requirements? 

  • 0
    TI__Mastermind 19250 points

    Hi Brenton,

    The 3.3V Vout is possible from a 3V to 4.2V supply. But depending on the losses on the board and the passives used there could be slight variations on the efficiency. I recommend to test this use case before actual implementation.

    Is a dual buck converter necessary for your application? If not, we could look into alternative newer solutions.

    Regards,

    Febin

  • 0 in reply to Febin
    TI__Mastermind 19250 points

    Hi Brenton,

    Do you need any further support on this issue? If not, I will go ahead and close this thread. Please feel free to reopen this thread if you have further questions.

    Regards,

    Febin