LM317 Voltage Regulator IC – Adjustable 3-Terminal Positive Regulator (Pack of 2)

The LM317 Voltage Regulator IC is a highly reliable and adjustable three-terminal positive-voltage regulator capable of delivering up to 1.5A output current across a wide voltage range of 1.25V to 37V. Known for its precision and flexibility, this IC is widely used in regulated power supply applications and custom voltage output circuits. This pack includes 2 ICs, making it a cost-effective choice for electronics enthusiasts and professionals.

It requires only two external resistors to set the output voltage, offering design simplicity. With built-in safety features like current limiting, thermal overload protection, and safe operating area (SOA) protection, the LM317 ensures robust operation even under adverse conditions. These protections remain functional even if the adjustment pin is disconnected, adding to its reliability.

🔧 Key Features

• Adjustable output voltage from 1.25V to 37V
• Delivers up to 1.5A output current
• Built-in thermal overload and short-circuit protection
• High precision: Line regulation 0.01%, load regulation 0.1%
• Easy to configure with two external resistors
• Ideal for variable power supplies and battery chargers

📐 Technical Specifications

📌 Applications

• Adjustable power supplies
• Battery chargers and bench power setups
• Voltage regulation for Arduino or Raspberry Pi
• DIY electronics and robotics projects
• Embedded systems requiring regulated voltage

💡 Why Choose LM317?

The LM317 Voltage Regulator IC combines adjustability, reliability, and protection features, making it a versatile solution for regulated voltage applications. Whether you are building a power supply or working on a hobby project, this IC ensures consistent performance under varying conditions.

📦 Package Includes

• 2 × LM317 Adjustable Voltage Regulator ICs (TO-220)