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 Indivi.

The LED fault detection circuit in the PT4301/03 improves the reliability of the system. The PT4301/03 has three dimmin.

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 a.

Since 2006. D4U Semicon.   |   Contact Us   |   Privacy Policy   |   Purchase of parts