Take control of your voltage! These regulators will let you produce a reliable constant supply voltage for your circuits. Whether you're working from an unregulated supply or just need a precise voltage for your micro-controller we've selected a couple of great general purpose options. ManufacturerPart No. OutputVoltage DropoutVoltage Max InputVoltage OutputCurrent Datasheet LD1117V33 3.3V 1.1V 15V 950mA Datasheet L7805ACV 5V 2V 35V 1.5A Datasheet L78S09CV 9V 2V 35V 2A Datasheet L7812CV 12V 2V 35V 1.5A Datasheet Package: TO-220 (Through hole) Pinout: 3.3V 1: GND 2: VOUT 3: VIN Pinout: 5V, 9V & 12V 1: Input Voltage 2: GND 3: Output Voltage Bypass Capacitors: 1uF (input) and 0.1uF (output) recommended Note: The actual maximum output current depends on heatsinks and other thermal management, and the voltage difference between input and output voltages