BUY AH175-WLA https://www.utsource.net/itm/p/11294202.html
HALL IC AH175-WLA SOT-23W marking J55
AH175-WLA is a 3-pin SOT-23W voltage regulator from Analogic. It is a low dropout (LDO) linear regulator with a maximum output current of 175mA. Description: The AH175-WLA is a low dropout (LDO) linear regulator with a maximum output current of 175mA. It has a wide input voltage range of 2.5V to 6.0V and an adjustable output voltage range of 1.2V to 5.0V. It features low quiescent current, low dropout voltage, low temperature coefficient, and fast transient response. It is designed to provide a stable output voltage in a wide range of applications including portable electronics, automotive, and industrial systems. Features: Wide input voltage range: 2.5V to 6.0V Output voltage range: 1.2V to 5.0V Maximum output current: 175mA Low quiescent current Low dropout voltage Low temperature coefficient Fast transient response SOT-23W package Applications: Portable electronics Automotive systems Industrial systems (For reference only)