PT4301 Datasheet (ETC) - 1x/1.5x Auto-Adjust Charge Pump 4-Channel White LED Driver

PT4301, 1x/1.5x Auto-Adjust Charge Pump 4-Channel White LED Driver

The PT4301 is a 4-channel 1x/1.5x auto-adjust charge pump white LED driver with three dimming modes.

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

Three LED dimming modes enable user to dimming 1 to 4 LED all together or separately.

Few external component (two flying cap

PT4301 Features

* 3V-5.5V input voltage 1x/1.5x auto-adjust charge pump Set LED current by external resistor Programming 4-channel LED current up to 25mA with 8 levels through EN/SET pin Dimming LED by PWM signal through 3 control terminal LED faul