The KIA1117BS/BFXX Series are a Low Drop Voltage Regulator able to provide up to 1A of output current, available even in adjustable version (Vref=1.25V)

FEATURES
Low Dropout Voltage : 1.1V/Typ. (Iout=1.0A)
Very Low Quiescent Current : 2.5mA /Typ.
Output Current up to 1A
Fixed Output Voltage of 1.2V, 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 5.0V
Adjustable Version Availability : Vref=1.25V
Internal Current and Thermal Limit
A Minimum of 10µF for stability
Suitable for MLCC, Tantalum and Low ESR Electrolytic Capacitors
ESR Range for stability : 1mΩ ~200Ω
Available in  ±2% (at 25°C)
High Ripple Rejection : 80dB/Typ
Temperature Range : -40°C ~ 150°C