Texas Instruments LP2950CZ-5.0 Micropower Regulator

5V-Micropower-Voltage-Regulators-LP2950C-Texas-Instruments-LP2950CZ-5-0-P-Adjustable-micro-power-voltage-regulator-from-Texas-Instruments-with-extremely-low-quiescent-current-and-low-dropout-voltage-which-needs-minimum-capacitance-for-stability-current-and-thermal-limiting-P-Texas-Instruments-LP2950CZ-5-0-Micropower-Regulator

Price: 1.37 from Rapid Online Rapid Electronics Ltd.