LD7291 Description
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 ponents to provide the solution for driving maximum 3 WLEDs in a very small PCB size.