onsemi NCP163AMX250TBG, 1 Low Dropout Voltage, Voltage Regulator 250mA, 2.5 V 4-Pin, XDFN

Ultra High PSRR 92dB at 1 kHz, 60dB at 100 kHz
Ultra Low Output Noise 6.5 μVRMS
Ultra Low Quiescent current 12 μA
Operating Input Voltage Range 2.2V to 5.5V
Very Low Dropout 80mV at 250mA
Available in 0.64mm x 0.64 mm CSP4 0.35P and 1mm x 1mm XDFN4 0.65P Packages
Available in TSOP5 Package
Excellent for power sensitive device like Wi-Fi module
Very well suited for noise sensitive application
Improved efficiency during light load conditions
Suitable for battery powered device
Low power dissipation at full load
Great for space constraint application
Suitable for applications requiring leaded package
Applications
A/D and D/A Converters Power supply
Audio codec
Battery Powered Equipment
Camera module
Precision Analog Circuits
RF Modules
LP5907 or LP5910 Upgrade
End Products
Cameras and camcoders
Smartphones
Tablets
Wireless Routers