This part is a kind of semiconductor called UCT4611.

Function of this product has UCT4611.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

UCT4611 DataSheet V1.0 (LED) UCT4611 UCT4611 UCT4611B LED UCT4611A 2.7V 6V 1 800mA 5 30mA 5 SOT-89 UCT4611B 800mA 1.2A LED / 5 TO-252 UCT4611A 1.2A UCT4611 2.7V 6V 800mA 8% UCT4611A 1.2A UCT4611B LED 5 / 40 SOT-89/ TO-252 85 (LED) (LED) MP3 LCD 2.7V 6V VDD LED RISET CN5611 UCT4611 ISET GND LED 1 TEL 86-755-61353939 10 FAX 86-755-83454890 www.szuct.com 1/9 UCT4611 DataSheet V1.0 VDD ISET + LED GND 2 VDD 1 UCT4611B CN5612 5 NC 1 2 VDD 3 GND 4 LED 5 ISET CN5611 GND 2 UCT4611A LED 3 4 ISET NC . 4611A 1 2 3 4611B 2 3 4 VDD GND LED LED VDD 4 5 ISET ILED = 910V , ILED RISET (LED) LED RISET RISET (A) ( ) ISET 5 1 NC TEL 86-755-61353939 10 FAX 86-755-83454890 www.szuct.com 2/9 UCT4611 DataSheet V1.0 ……………………… 0.3V to 6.5V ….. [ ... ]

UCT4611 PDF Datasheet Download