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LM5123-Q1: Please recommend an alternative to the LT3758

Yuxi Liu(Tony)
Intellectual 2060 points
Part Number: LM5123-Q1
Other Parts Discussed in Thread: LM5155, LM5156, LM5158, LM5157

Hi TIer

Please recommend an alternative to the LT3758 .

LM5123 seems only have boost function.

But LT3758 can do SPEIC , CUK circuit.

Could you give me some suggestion? for most suitable alternative to the LT3758 .

Thank you very much.

  • 0
    TI__Genius 16955 points

    Hello Yuxi,

    Thanks for reaching out to us via e2e.

    Correct, the LM5123 is an asynchronous controller and can only handle a BOOST topology.

    For asynchronous controllers, please have a look at the LM5155 and LM5156.

    We also offer similar control functionality as converters with built-in FET.
    Those are the LM5157 and LM5158.

    Best regards
    Harry