LM7812 12V VOLTAGE REGULATOR IC TO-220

The LM7812 is a fixed 12V linear voltage regulator designed to provide a stable and regulated 12V output from higher voltage inputs. It is commonly used in power supply designs and offers protection features like thermal shutdown and current limiting. Packaged in the TO-220 form factor, it is well-suited for applications that require moderate power dissipation.

Key Features of LM7812 12V Voltage Regulator IC:

• • 12V Fixed Output: Provides a stable 12V output voltage with minimal external components required.
  • High Output Current: Capable of delivering up to 1.5A of current.
  • Thermal Overload Protection: Automatically shuts down if the internal temperature exceeds a safe threshold.
  • Short Circuit Protection: Protects the device from damage during output short circuits.
  • Low Quiescent Current: Operates efficiently with low power loss.
  • TO-220 Package: The standard TO-220 package allows easy heat dissipation and mounting on heatsinks for improved thermal performance.

Technical Specifications of LM7812 12V Voltage Regulator IC:

• • Model: LM7812
  • Output Voltage: 12V (fixed)
  • Input Voltage: 14.5V to 35V (recommended operating range)
  • Output Current: 1.5A (maximum)
  • Dropout Voltage: 2V (typical)
  • Quiescent Current: 5 mA (typical)
  • Package: TO-220
  • Operating Temperature Range: 0°C to +125°C

Mechanical Specifications of LM7812 12V Voltage Regulator IC:

• • Package Type: TO-220 (through-hole)
  • Pin Count: 3 pins
  • Mounting Style: Through-hole with optional heatsink for improved cooling.
  • Dimensions: 10.16 mm x 4.7 mm x 9.15 mm

Schematic Diagram, Connection, Wiring, and Pinout of LM7812 12V Voltage Regulator IC:

• • Pin Configuration:
  • 1: Input – Connect to the unregulated input voltage (14.5V to 35V).
  • 2: Ground – Common ground connection for both input and output.
  • 3: Output – Provides the regulated 12V output.
  • Basic Wiring: Connect the input pin to the unregulated voltage source (typically a higher voltage DC power supply), and the ground pin to system ground. The output pin provides the regulated 12V DC output. Optional capacitors can be added on the input and output pins for improved stability.

Applications of LM7812 12V Voltage Regulator IC:

• • Power Supplies: Commonly used to provide a stable 12V DC output in various power supply designs.
  • Battery Chargers: Used in regulated power circuits for charging 12V batteries.
  • Embedded Systems: Supplies 12V power to embedded system components and devices.
  • Consumer Electronics: Powers circuits requiring a fixed 12V supply.

Datasheet of LM7812 12V Voltage Regulator IC:

• Download the LM7812 Datasheet

Equivalent of LM7812 12V Voltage Regulator IC:

• • LM317: An adjustable voltage regulator IC that can be set to output 12V with external resistors.
  • KA7812: Another 12V fixed linear voltage regulator with similar performance and characteristics.

Keywords for LM7812 12V Voltage Regulator IC:

• • LM7812
  • Voltage Regulator
  • 12V Output
  • Linear Regulator
  • TO-220

Package Includes:

• • 1 x LM7812 12V Voltage Regulator IC TO-220