LM338 5A Adjustable Positive Regulator TO-220 Package

LM338 5A Adjustable Positive Regulator TO-220 Package 

The LM338 is a high-current, positive adjustable voltage regulator capable of delivering up to 5A output current over an adjustable output voltage range of 1.2V to 32V. It is designed for applications that require stable, flexible, and reliable voltage regulation with excellent line and load performance.

Housed in a TO-220 package, the LM338 offers efficient heat dissipation and can be easily mounted on a heatsink for high-power applications. It includes built-in current limiting, thermal shutdown, and safe-area protection, making it highly robust and suitable for industrial, commercial, and DIY power supply designs.

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Applications

• High-current adjustable power supplies
• Battery chargers
• Motor drivers and control circuits
• Post-regulation for switching power supplies
• Industrial and laboratory power supplies
• Audio amplifiers and power circuits
• Embedded and industrial electronics
• General-purpose regulated power supplies

Features

• Output Current: Up to 5A
• Adjustable Output Voltage: 1.2V to 32V
• Package: TO-220
• Excellent line and load regulation
• Built-in current limiting, thermal shutdown, and safe-area protection
• Short-circuit protected
• Simple external resistor setup to set output voltage
• High reliability and long service life
• Easy to mount on heatsink

LM338 Datasheet