PT4303 Datasheet (Powtech) - 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 two dimming modes.

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

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

Only a few external components (two

PT4303 Features

* z 3V-5.5V input voltage z 1x/1.5x auto-adjust charge pump z Set LED current by external resistor z Dimming LED by PWM signal through 2 control terminal z LED fault detection z