LM7812 IC 12V Positive Voltage Regulator IC

LM7812 IC 12V Positive Voltage Regulator IC 

The LM7812 is a fixed +12V positive linear voltage regulator designed to provide a stable and reliable +12V DC output for a wide range of electronic applications. It is part of the 78xx family of positive voltage regulators and is widely used in power supply circuits, embedded systems, and industrial electronics.

The LM7812 includes built-in current limiting, thermal shutdown, and short-circuit protection, ensuring safe and reliable operation. It is commonly available in packages such as TO-220 and TO-3, making it suitable for both prototyping and production designs with proper heatsinking.

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Applications

• +12V regulated power supplies
• Embedded systems and microcontroller power supplies
• Industrial control and automation systems
• Audio amplifiers and signal processing circuits
• Measurement and instrumentation equipment
• Communication equipment
• Power supply modules

Features

• Fixed Output Voltage: +12V DC
• Regulator Type: Positive linear voltage regulator
• Output Current: Up to 1A (typical, depends on package and heatsinking)
• Built-in thermal shutdown and current limiting protection
• Short-circuit protected
• Good line and load regulation
• Requires minimal external components
• Stable and reliable operation
• High reliability and long service life

LM7812-Datasheet