BUY BD93291EFJ-E2 https://www.utsource.net/itm/p/9225124.html
IC REG BUCK ADJ/5V DL 8HTSOP-J
Description: BD93291EFJ-E2 is a high-performance, low-power, low-voltage, single-chip, DC-DC converter IC with a synchronous rectification system. Features: Wide input voltage range: 4.5 V to 28 V Output voltage range: 0.8 V to 5.5 V Output current: up to 4 A Low quiescent current: 0.4 mA High efficiency: up to 95% Low output voltage ripple: 0.3 mV Over-current protection Over-temperature protection Short-circuit protection Applications: Battery-powered equipment Automotive electronics Portable devices Industrial equipment LED lighting (For reference only)