BUY LM7810 https://www.utsource.net/itm/p/299378.html
3-terminal 1A Positive Voltage Regulator
Description: LM7810 is a three-terminal negative voltage regulator with an output voltage of -10V and a maximum output current of 1A. Features: 1. Output voltage accuracy: ±2% 2. Low dropout voltage: 1.2V 3. Thermal overload protection 4. Short circuit protection 5. Output current limiting Applications: 1. Battery-powered systems 2. Automotive electronics 3. Industrial equipment 4. Power supplies 5. Portable electronics (For reference only)