This part is a kind of semiconductor called AMC7130.

Function of this product has ADVANCED CURRENT REGULATOR.

Manufacturers : ADDtek

Image and pinout :

Some of the text within the PDF file :

AMC7130 . ADVANCED CURRENT REGULATOR FEATURES „ „ „ „ „ „ „ „ „ „ DESCRIPTION The AMC7130 is a low dropout current regulator rated for 20mA, 40mA, 60mA, and 80mA constant sink current. The low quiescent current and low dropout voltage is achieved by advanced Bi-CMOS process. No external component required. 20/40/60/80mA constant sink current. Output short / open circuit protection. Low dropout voltage. Low quiescent current Build-in thermal protection Supply voltage range 2.7V ~ 6V 2KV HBM ESD protection Advanced Bi-CMOS process. SOT-23 3L package TYPICAL APPLICATIONS CIRCUIT LED driver APPLICATIONS „ Supply Voltage 2.7V ~ 6V PACKAGE PIN OUT OUT OUT VDD GND GND VDD 3-Pin Plastic SOT-23 (Top View) DB AMC7130-20DB AMC7130-40DB AMC7130-60DB AMC7130-80DB Note: ORDER INFO [ ... ]

AMC7130 PDF Datasheet Download