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Looking for low power Buck LED driver

Ryuji
Guru 20090 points
Other Parts Discussed in Thread: LM3405

Hello,

Are there any LED driver which has the following specification.

Vin=4~6V, Vf=2.5~3.5V, ILED=80mA

I tried to simulate with Webench under the above conditions, but there was no matching device.
But I think that there is the device in TI.

Best Regards,
Ryuji

  • 0
    TI__Mastermind 25500 points

    Hello Ryuji-san,

    Perhaps somebody in another group has another suggestion they will post here but of the devices I am familiar with the only one that will run to such a low voltage is the LM3405. It would provide you with a pretty small solution as it runs at 1.6MHz switching frequency.

    Regards,

    Clint