View mic5252 datasheet:

MIC5252 Micrel MIC5252 150mA High PSRR, Low Noise µCap CMOS LDO Final Information General Description Features The MIC5252 is an efficient, precise CMOS voltage regulator • Input voltage range: 2.7V to 6.0V optimized for ultra-low-noise applications. It offers 1% initial • PSRR = 50dB @ VO + 0.3V accuracy, extremely low dropout voltage (135mV at 150mA) • Ultralow output noise: 30µV(rms) and low ground current (typically 90µA). The MIC5252 pro- • Stability with ceramic output capacitors vides a very low noise output, ideal for RF applications where • Ultralow dropout: 135mV @ 150mA a clean voltage source is required. The MIC5252 has a high • High output accuracy: PSRR even at low supply voltages, critical for battery oper- 1.0% initial accuracy ated electronics. A noise bypass p