This part is a kind of semiconductor called AME8815AEBT150.

Function of this product has 1.5A CMOS LDO.

Manufacturers : Analog Microelectronics

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Some of the text within the PDF file :

AME, Inc. AME8815 1.5A CMOS LDO n General Description The AME8815 family of linear regulators feature low quiescent current (45µA typ.) with low dropout voltage, making them ideal for battery applications. It is available in D2PAK and TO-220 packages. The space-efficient SOT-223 and DPAK package are attractive for "Pocket" and "Hand Held" applications. Output voltages are set at the factory and trimmed to 1.5% accuracy. These rugged devices have both Thermal Shutdown, and Current Fold-back to prevent device failure under the "Worst" of operating conditions. The AME8815 is stable with an output capacitance of 4.7µF or greater. n Features l l l l l l l l l Very Low Dropout Voltage Guaranteed 1.5A Output Accurate to within 1.5% 45µA Quiescent Current Typically Over-Temperature Shutdown [ ... ]

AME8815AEBT150 PDF Datasheet Download