This part is a kind of semiconductor called LV5680P.

Function of this product has Multi Voltage Regulator IC.

Manufacturers : ON Semiconductor

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Some of the text within the PDF file :

LV5680P Multi Voltage Regulator IC Application Note Overview The LV5680P is a multiple voltage regulator for car audio system. This IC has 4 voltage regulators and 2 high-side switches. The following protection circuits are integrated: over current limiter, overvoltage protection and Thermal Shut Down. This IC is most suitable Car Audio. Features  4 LDO regulators ・ ・ ・ ・  For VDD: For CD: For Illumination: For Audio: Vout is 5.0V, Iomax is 200mA Vout is 8.0V, Iomax is 1300mA Vout is 8V to 12V(Adjustable external resistors), Iomax is 300mA Vout is 8V to 9V(Adjustable external resistors), Iomax is 300mA 2 High-side Switches EXT：Voltage difference between input and output is 0.5V, Iomax is 350mA ANT：Voltage difference between input and output is 0.5V, Iomax is 300mA  2 [ ... ]

LV5680P PDF Datasheet Download