TPS60231 Datasheet (Texas Instruments) - White LED Charge Pump Current Source

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