Voltage Regulator – 3.3V

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. Output
Voltage		 Dropout
Voltage		 Max Input
Voltage		 Output
Current		 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