View rt9169-series datasheet:

Preliminary RT9169 100mA, 4µ µA Quiescent Current CMOS LDO Regulator µ µ General Description Features The RT9169 series are 100mA ultra-low quiescent Ultra-Low Quiescent Current: 4µ µA µ µ current CMOS low dropout (LDO) regulator designed Low Dropout: 450mV at 100mA for battery-powered equipments. The output voltages Wide Operating Voltage Ranges: 2V~6V range from 1.2V to 5V with 0.1V per step. Current Limiting Protection Only 1µ Output Capacitor Required for µF µ µ The other features include 4µA ultra-low quiescent, Stability low dropout voltage, high output accuracy, current High Power Supply Rejection Ratio limiting protection, and high ripple rejection ratio. Applications Ordering Information Battery-Powered Equipment RT9169-