LM2793 Datasheet - National Semiconductor

LM2793 Low Noise White LED Driver

The LM2793 is a highly efficient, semi-regulated 1.5x CMOS charge pump that provides dual constant current outputs. The LM2793 has an input voltage range of 2.7V to 5.5V. To control LED brightness, the amount of current driven to the current-mode outputs can be adjusted with an analog voltage and/or.

LM2793 Features

* n Two Regulated Current Outputs, up to 16mA Each, Matched to Within ± 0.3% (typ.) n High Efficiency, 1.5x Regulated Charge Pump n Input Voltage Range: 2.7V to 5.5V n Soft Start Limits Inrush Current n Analog Voltage Brightness Control n PWM Brightness Control n Very Small Solution Size - NO INDUCTOR

LM2793_NationalSemiconductor.pdf