BUY MA5056 https://www.utsource.net/itm/p/8937525.html
MA5056 Zener Diodes 5.6V 500mW/0.5W SOT89-2 marking 5.6
Description: The MA5056 is a 5.6V voltage regulator IC manufactured by Panasonic. Features: * Output voltage accuracy: ±2.0% * Output current: 1A * Operating temperature range: -40°C to +125°C * Low quiescent current: 0.2mA * Low dropout voltage: 0.2V Applications: The MA5056 is suitable for use in a wide range of applications, including battery-powered systems, automotive systems, and consumer electronics. It can be used to provide a stable 5.6V output voltage from a variety of input sources, such as a single lithium-ion cell or a 5V USB power supply. (For reference only)