LTC3219EUD#TRPBF

Price range: $3.65 - $6.44

250mA Universal Nine Channel LED Driver Features: Multimode Charge Pump Provides Up to 91% Efficiency Slew Limited Switching Reduces Conducted and Radiated Noise (EMI) Up to 250mA Total Output Current Nine 28mA Universal Current Sources with 64-Step Linear Brightness Control Independent On/Off, Brightness Level, Blinking and Gradation Control for Each Current Source Using 2-Wire I2C™ Interface Internal Current Reference Configurable ENU Pin for Asynchronous LED On/Off Control Low Noise Charge Pump Operates in 1x, 1.5x or 2x Mode for Optimal Efficiency* Automatic or Forced Mode Switching Internal Soft-Start Limits Inrush Current Short-Circuit/Thermal Protection 3mm × 3mm 20-Lead QFN Plastic Package