? Operating Input Voltage Range: 1.1V to 5.5V
? Fixed Output Voltage Option: 0.6V to 4.2V
? Ultra-Low Noise: 9.5μVRMS (TYP)
? Ultra-Low Quiescent Current: 15μA (TYP)
? Standby Current: 0.03μA (TYP)
? High PSRR: 92dB (TYP) at 1kHz
? Low Dropout Voltage:
100mV (TYP) at 300mA when
VOUT = 1.8V(XTDFN-1×1-4L)
? 80mV (TYP) at 300mA when
VOUT = 1.8V(WLCSP-0.64×0.64-4B-A)
? Output Short-Circuit Protection
? Thermal Shutdown Protection
? Fast Load Transient Response
? Stable with 1μF Small Case
Size CeramicCapacitors
? -40℃ to +125℃ Operating
Temperature Range
? Available in Green XTDFN-1×1-4L
andWLCSP-0.64×0.64-4B-A Packages

? Input voltage from 1.5 to 5.5 V
? Ultra low dropout voltage
(300 mV typ. at 300 mA load)
? Very low quiescent current
(20 μA typ. at no load, 0.03 μA typ. in off mode)
? Output voltage tolerance: ± 0.5 % (A version)
or ± 2.0 % @ 25 °C (standardversion)
? 300 mA guaranteed output current
? High PSRR (80 dB@1 kHz, 50 db@100 kHz)
? Wide range of output voltages available
on request: from 0.8 V up to 5.0 V in 50mV step
? Logic-controlled electronic shutdown
? Internal soft-start
? Optional output voltage discharge feature
? Compatible with ceramic capacitor COUT = 0.47 μF
? Internal constant current and thermal protections
? Available in DFN4 1x1
? Operating temperature range: -40 °C to 125 °C
