STMicroelectronics LM317D2T Adjustable Voltage Regulator

The LM317D2T from STMicroelectronics is a versatile and reliable adjustable voltage regulator, designed to offer a convenient and efficient solution for a wide range of applications. This linear regulator provides an adjustable output voltage that can be set using just two external resistors, making it a flexible choice for designers looking to create custom voltage levels.

Key Features

• Output Voltage Range: The LM317D2T offers an adjustable output voltage range from 1.2V to 37V, which can be set by the user with the appropriate selection of resistors.
• Output Current: Capable of delivering up to 1.5A of load current with an output voltage typically within 0.1% of nominal voltage.
• Thermal Overload Protection: The device includes built-in thermal overload protection that shuts down the regulator in the event of excessive power dissipation, preventing damage to the regulator and the connected components.
• Current Limiting: In addition to thermal protection, the LM317D2T also incorporates current limiting to safeguard the regulator and the load from fault conditions.
• Package: Supplied in a TO-220 package, the LM317D2T is designed for easy integration into a variety of circuit designs and for handling higher power levels.

Applications

The LM317D2T is suitable for a multitude of applications due to its adaptability and robustness. It is commonly used in:

• Power supplies for various electronic devices
• Battery chargers
• Motor control circuits
• Adjustable current or voltage regulators
• Lab and test equipment

Conclusion

STMicroelectronics' LM317D2T adjustable voltage regulator is a highly reliable and flexible component, making it an ideal choice for designers and engineers looking to create stable and adjustable power supplies. Its combination of thermal and current protection features ensures safe operation under a variety of conditions, while its ease of use and widespread industry acceptance make it a go-to solution for adjustable voltage regulation needs.