This part is a kind of semiconductor called QY3100.

Function of this product has 1.0A LED IC.

Manufacturers : Shenzhen

Image and pinout :

Some of the text within the PDF file :

SHENZHEN HAIRONG ELECTRONICS CO., LTD TEL:0 13620927492 FAX:0755- 26912835 1.0A ¸ß¹¦ÂÊ LED Çý¶¯ IC IC¡£ ) ÊäÈëµçѹ Ó빦Âʾ§ÌåÜ ¿ÉÓÍâ²µçÈÝØÖƶø´ï QY3100 ¸öÊÇÒ» 1.0A Âʸ߹¦ LED Çý¶¯ :4V~36V/Ä Ú ½ ¨ PWM( ö ³ å ¿ í¶ È µ ÷ ± ä / µçÁ÷×î¸ßÇý¶¯ 1.0A¡£ ¹¤×÷ƵÂÊ 200KHz,Ö»Òªµ÷ÕûÍⲿ 5 ¸öÍâΧԪ¼þ ,¿ É Ò Ô Ç ý ¶ ¯ ´ ® Á ª » ò ² ¢ Á ª µ Ä × î 8 ¸ö 350mA µÄ´ó¹¦ÂÊ LED ÕÃ÷¡£ LED¡£ ÊÓÃÚ ,¿ÉÒÔͨ¹ýµÕ÷ûⲿç QY3100 µ ç × è Ö ¼ ´ ¿ É ï ½ ± ¸ä ü Ê ³ ö µ ç Á £÷ ¬ ¿ É ´ ï 1.0A,Ö»Ðè ×è»òµ÷ÕûÊäÈëµçѹ ¶à¿É´ï ÕÃ÷µÆ¾ß»òû³ LED ÌØÕ÷ ¡ô Êä [ ... ]

QY3100 PDF Datasheet Download