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LM22670: Buck converter recommendation

Evan Wang
Expert 5240 points
Part Number: LM22670
Other Parts Discussed in Thread: LMR66430

Hi Team,

We're using LM22670 to implement 11V-22V input -> 6V/7.5V/9V/10.5V output with 2A IOUT.

Obviously, the 9V & 10.5V output under 11V input is impossible.

Do you have any recommended POL that can support 11V - 22V input -> 6V / 7.5V / 9V / 10.5V output with 2A IOUT?

We hope to use single PN for all four output condition.

Thank you.

  • 0
    TI__Guru 71015 points

    Hi Evan,

    Thank you for reaching.  To achieve this, you need a synchronous buck which employs sync FET other than a diode rectifier, and you also need a high duty cycle device.  Could you take a look at LMR66430? 

    Thanks,

    Youhao