BUY RT8296A https://www.utsource.net/itm/p/6410034.html
3A, 23V, 340kH Synchronous Step-Down Converter
Description: RT8296A is a high performance, low noise, low dropout linear regulator with integrated power-on reset (POR) circuitry. Features: Input voltage range: 4.5V to 28V Output voltage range: 0.8V to 5.0V Output current: up to 1.5A Low dropout voltage: 0.3V (typical) Low quiescent current: 20μA (typical) High power-supply rejection ratio: 75dB (typical) Soft-start and current limit protection Thermal shutdown protection Power-on reset (POR) circuitry Small SOP-8 package Applications: Battery powered systems Automotive systems Industrial control systems Portable electronic devices Telecom systems (For reference only)