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

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

The PT4301/03 is a 4-channel 1x/1.5x auto-adjust charge pump white LED driver that achieves high efficiency for Li-Ion battery supply.

The LED current can be set by an external resistor.

Only one small resistor and four 1µF small ceramic capacitors are needed as external components to construct a LE

PT4301 Features

* z 1×/1.5× auto-adjust charge pump z LED current set by external resistor z Programmable 4-channel LED current up to 20mA with 8 levels control through en/set pin z Individual LED dimming control through PWM signals at 3 (PT4301) or 2 (PT4303) control inputs z LED fault detection z