BUY NS4158 https://www.utsource.net/itm/p/8646725.html

Description: NS4158 is a low-power, high-performance, low-voltage, low-dropout (LDO) linear regulator. Feature: Low quiescent current: 40μA (typical) Low dropout voltage: 200mV (typical) Output current up to 150mA Output voltage range: 1.5V to 5.5V Thermal shutdown protection Over-current protection Short-circuit protection Reverse current protection High PSRR Low noise High accuracy High reliability RoHS compliant Application: Portable electronic devices Digital cameras Mobile phones Battery-powered systems Automotive systems Industrial systems (For reference only)