TPS60230 Datasheet (Texas Instruments) - White LED Charge Pump Current Source

TPS60230, White LED Charge Pump Current Source

The TPS60230 charge pump is optimized for white LED supplies in backlit color display applications.

The device provides a constant current, set by an external resistor, for each LED.

The supply voltage ranges from 2.7 V to 6.5 V and is ideally suited for all applications powered by a single LI-Ion b

TPS60230 Features

* Regulated Output Current With 0.4% Matching

* Drives up to 5 LEDs at 25 mA Each

* LED Brightness Control Through PWM Control Signal

* High Efficiency by Fractional Conversion With 1x and 1.5x Modes

* 1 MHz Switching Frequency

* 2.7 V to 6.5 V Operati