View mic5249 datasheet:

MIC5249 Micrel MIC5249 300mA µCap LDO with Programmable Power-On Reset Delay Advance Information General Description Features The MIC5249 is an efficient, precise 300mA CMOS voltage • 300mA output current regulator with power-on reset delay which can be imple- • High PSRR: 65dB@120Hz mented via an external capacitor. It offers 1% initial accuracy, • Stable with ceramic output capacitor extremely-low-dropout voltage (typically 400mV @ 300mA), • Power-on RESET Output with adjustable delay time and low ground current (typically 85µA) over load. • High output accuracy: +1.0% initial accuracy Designed specifically for noise-critical applications in hand- +2.0% over temperature held or battery-powered devices, the MIC5249 comes • Low dropout voltage of 400mV @ 300mA equipped with