BUY LC7800 https://www.utsource.net/itm/p/1722088.html

The LC7800 is a 28-pin DIP (Dual Inline Package) integrated circuit (IC) manufactured by Sanyo. It is a voltage regulator IC that provides a constant voltage output. Description: The LC7800 is a three-terminal positive voltage regulator IC that provides a constant voltage output of 5V with a maximum output current of 1A. It features a built-in thermal shutdown circuit and overcurrent protection circuit. Features: Constant voltage output of 5V Maximum output current of 1A Built-in thermal shutdown circuit Overcurrent protection circuit Low dropout voltage Low noise High ripple rejection Applications: Power supplies Battery chargers Automotive electronics Industrial systems Portable devices (For reference only)