WLED Driver With 1~2 Cells Input

The LD7291 is a high efficiency WLED driver to drive maximum 3 WLEDs from single or 2 battery cells. By using the proprietary topology, the LD7291 CAN operate under as low as 0.85V to fully utilize the energy of battery. The LD7291 only needs 4 external passive components to provide the solution for driving maximum 3 WLEDs in a very small PCB size. Furthermore, the 3 WLEDs CAN achieve very good current matching without any extra current /brightness control circuit. All the above functions are integrated in a tiny SOT-26 package. The LD7291 is the ideal solution for battery-powered LED driving applications. By Leadtrend Technology
LD7291 's PackagesLD7291 's pdf datasheet
LD7291PL SOT-26

LD7291 Pinout, Pinouts
LD7291 pinout,Pin out
This is one package pinout of LD7291,If you need more pinouts please download LD7291's pdf datasheet.

LD7291 Application circuits
LD7291 circuits
This is one application circuit of LD7291,If you need more circuits,please download LD7291's pdf datasheet.

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