I have a customer using EXAR SPX3819S-L-5-0/TR Needs Vin >=12V, 500mA, low(ish) Iq/GND pin current and prefers leaded package like SOIC/VSOP etc. LP2989IMX-5.0/NOPB looks reasonable - but quite old..

The 12V Dual Power Supply is an electronic device that provides reliable and regulated power to various electronic circuits and components. It offers two independent 12V output channels, making it ...