PT4303 Datasheet (ETC) - 1x/1.5x Auto-Adjust Charge Pump 4-Channel White LED Driver

PT4303, 1x/1.5x Auto-Adjust Charge Pump 4-Channel White LED Driver

The PT4303 is a 4-channel 1x/1.5x auto-adjust charge pump white LED driver with three dimming modes.

Auto-adjust charge pump achieves high efficiency for Li-Ion battery supply.

The three LED dimming modes enable users to dim the four LEDs all together or individually.

Only a few external components

PT4303 Features

* 3V-5.5V input voltage

* 1x/1.5x auto-adjust charge pump

* Set LED current by external resistor

* Dimming LED by PWM signal through 2 control terminal

* LED fault detection