The HA13173AH is a multiple voltage regulator designed for car audio systems.
It has various output voltages for different components such as a microcontroller, digital signal processor, CD driver, audio control, and illuminations.
It also has features such as standby current of 100 µA max, low saturation output for audio, output current limit circuit, high surge input protector, and built-in thermal shutdown circuit.
The IC also has an adjustable output voltage and can control an external PNP transistor.
The package is PRSS0015DA-C (SP-15TGV).
The absolute maximum ratings, electrical characteristics, evaluation circuit, and package dimensions are also provided in the document.