LM27966 Datasheet - National Semiconductor

LM27966 White LED Driver

The LM27966 is a highly integrated charge-pump-based display LED driver. The device can drive up to 6 LEDs in parallel with a total output current of 180mA. Regulated internal current sources deliver excellent current and brightness matching in all LEDs. The LED driver current sources are split into.

LM27966 Features

* n n n n n n n n n n n 91% Peak LED Drive Efficiency No Inductor Required 0.3% Current Matching Drives 6 LEDs with up to 30mA per LED 180mA of total driver current I2C Compatible Brightness Control Interface Adaptive 1x- 3/2x Charge Pump Resistor-Programmable Current Settings External Chip RESET Pin

LM27966_NationalSemiconductor.pdf