BUY LM7909CT https://www.utsource.net/itm/p/328308.html
Negative Fixed Voltage Regulator
Description: The LM7909CT is a negative voltage regulator with a fixed output voltage of -9V and a maximum output current of 1A. Features: Output voltage of -9V Output current of 1A Thermal overload protection Short circuit protection Output transistor safe area compensation Output transistor SOA protection Low dropout voltage Internal current limiting Low quiescent current Applications: Battery-powered systems Automotive systems Industrial systems Telecommunications systems Portable electronics (For reference only)