TPS60231 Datasheet - Texas Instruments

TPS60231 White LED Charge Pump Current Source

The TPS60231 charge pump is optimized for white LED supplies in color display backlight applications. The device provides a constant current for each LED, which the initial value can be set by an external resistor. The supply voltage ranges from 2.7 V to 6.5 V and is ideally suited for all applicati.

TPS60231 Features

* 1

* Regulated Output Current With 0.4% Matching

* Drives up to 3 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 Opera

TPS60231 Datasheet (1.02 MB)