wled driver.
z Very few external components z Low ripple and low noise z Low start-up voltage, 0.85V at 1mA z Direct drive maximum 3 WLEDs z High efficiency
Applications
z WLED Flashl.
Features
z Very few external components z Low ripple and low noise z Low start-up voltage, 0.85V at 1mA z Direct drive.
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 exter.
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