BUY CS8333-5.0 https://www.utsource.net/itm/p/546746.html

Description: CS8333-5.0 is a high-performance, low-noise, low-dropout linear regulator with an input voltage range of 2.5V to 5.5V and an output voltage of 5.0V. Features: * Low dropout voltage: 200mV (typical) * Low quiescent current: 10μA (typical) * Low noise: 30μVrms (typical) * High PSRR: 80dB (typical) * Over-temperature protection * Short-circuit protection Applications: * Battery-powered devices * Portable electronics * Automotive electronics * Industrial electronics * Medical electronics (For reference only)