BUY LM7909CT https://www.utsource.net/itm/p/11727455.html

Description: Negative Voltage Regulator, 9V, 1A Features: Output Voltage Range: -9V Output Current up to 1A Thermal Overload Protection Short Circuit Current Limiting Output Transistor Safe Operating Area Protection Applications: Battery-Operated Systems Automotive Systems Portable Instruments Process Control Systems Power Supplies (For reference only)