The LP2951ACMX/NOPB is a very low dropout voltage (Typ. 40mV at light loads and 380mV at 100mA). It is ideally suited for use in n battery-powered systems.
LP2951ACMX/NOPB Features
5V, 3V, and 3.3V versions are available
High accuracy output voltage
Guaranteed 100mA output current
Extremely low quiescent current
Low dropout voltage
Extremely tight load and line regulation
Very low-temperature coefficient
Use as Regulator or Reference
Needs minimum capacitance for stability
Current and Thermal Limiting
Stable with low-ESR output capacitors (10m? to 6?)