BUY T574 https://www.utsource.net/itm/p/1323310.html

The T574 is a low-power, low-noise, low-dropout voltage regulator from the TK family of regulators manufactured by Texas Instruments. It is a three-terminal positive voltage regulator with an output voltage of 5V and a maximum output current of 500mA. The device features a wide input voltage range of 2.2V to 6.5V and a low quiescent current of only 1.2mA. It also has a low dropout voltage of only 250mV at 500mA. The T574 is ideal for applications such as portable devices, battery-powered systems, and other low-power applications. It is available in an SSOP-8 package and is RoHS compliant. (For reference only)