This part is a kind of semiconductor called APE8968MP-HF-3.
Function of this product has 3A Ultra-low Dropout Regulator.
Manufacturers : Advanced Power Electronics
Image and pinout :

Some of the text within the PDF file :
Advanced Power Electronics Corp. APE8968MP-HF-3 3A Ultra-low Dropout Regulator Features Ultra-low Dropout of 0.23V (typical) at 3A Output Current Low ESR Output Capacitor (compatible with Multi-layer Chip Capacitors (MLCC)) Reference Voltage of 0.8V Fast Transient Response Adjustable Output Voltage using External Resistors Power-On-Reset Monitoring on Both VCNTL and VIN Pins Internal Soft-Start Under-Voltage Protection Current-Limit and Thermal Shutdown Protection Power-OK Output with a Delay Time RoHS-compliant halogen-free ESOP-8 Package with Exposed Pad Description The APE8968 -HF-3 is a 3A ultra-low dropout linear regulator, originally designed to provide supply voltages for front-side-bus termination on motherboards and NB applications. The IC needs two supply voltages, a control v [ ... ]
APE8968MP-HF-3 PDF Datasheet Download
