View lr8558-series datasheet:

Leshan Radio Co ., Ltd LR8558 Low noise, fast response 500mA LDO regulator General Description： Features： • Low Power Consumption: 75uA（Typ.） LR8558 series is a group of positive voltage output, low power consumption, low • Low output noise (47uVRMS) dropout voltage regulator. • Standby Mode: 0.1uA LR8558 can provide output value in the • Low dropout Voltage: 0.46V@500mA (Typ.) range of 1.2V~4.5V every 0.1V step. It also • High Ripple Rejection: 66dB@100Hz (Typ.) can be customized on command. • Low Temperature Coefficient: ±100ppm/°C LR8558 includes high accuracy voltage • Excellent Line regulation: 0.05%/V reference, error amplifier, current limit circuit • Build-in chip enable and discharge circuit and output driver module