LM317 ADJUSTABLE VOLTAGE REGULATOR TO-252

The LM317 TO-252 is a monolithic integrated circuit functioning as an adjustable voltage regulator. It excels at regulating and maintaining a steady voltage output within a designated range. This capability makes it a prevalent choice for powering various electronic circuits, ensuring consistent voltage levels for optimal performance.

Key Features of LM317 Voltage Regulator TO-252:

• • Adjustable Output Voltage: An external resistor network allows you to precisely set the output voltage within a wide range (typically 1.25V to 37V).
  • Positive Voltage Regulator: The LM317 regulates and supplies a positive voltage at its output.
  • High Output Current: The LM317 can deliver up to 1.5A of continuous current, making it suitable for powering various electronic devices.
  • Internal Protections: The LM317 incorporates features like current limiting, thermal overload protection, and safe operating area (SOA) protection for reliable operation.
  • Compact TO-252 Package: This surface-mount package offers space-saving benefits for PCB designs.

Technical Specifications of LM317 Voltage Regulator TO-252:

• • Input Voltage Range: The input voltage range typically falls between 3V and 40V (depending on the desired output voltage).
  • Output Voltage Range: Adjustable from 1.25V to 37V (with the use of external resistors).
  • Output Current: Up to 1.5A continuous.
  • Line Regulation: Exceptionally good line regulation, typically around 0.01%, signifying minimal output voltage fluctuation even with variations in input voltage.
  • Load Regulation: Similarly impressive load regulation, typically around 0.1%, indicating a stable output voltage regardless of changes in load current.
  • Operating Temperature Range: The LM317 TO-252 can function within a wide temperature range, typically -55°C to +150°C (junction temperature).

Mechanical Specifications of LM317 Voltage Regulator TO-252:

• • Package: TO-252 (Surface-Mount)
  • Dimensions: Specific dimensions can be found in the LM317 datasheet, but it’s a compact surface-mount package.
  • Weight: Due to its small size, the LM317 TO-252 is very lightweight.
  • Mounting Options: The LM317 TO-252 is designed for surface-mount soldering onto a PCB.

Applications of the LM317 Voltage Regulator TO-252:

• • LED Driver Circuits: The LM317 TO-252 is frequently employed in LED driver circuits. By regulating the current flowing through LEDs, it enables control over their brightness, allowing for dimming or creating custom lighting effects.
  • Adjustable Bench Power Supply: The LM317 TO-252 can be incorporated into the design of an adjustable bench power supply. This provides engineers and hobbyists with a variable voltage source for testing purposes, facilitating the evaluation of electronic circuits under various voltage conditions.
  • Voltage Regulation in Hobbyist Projects: Due to its ease of use and affordability, the LM317 TO-252 is a popular choice for voltage regulation in various hobbyist projects. Its ability to provide a stable voltage supply empowers enthusiasts to experiment with and build electronic circuits.

Equivalents of the LM317 Voltage Regulator TO-252:

• • While the LM317 TO-252 reigns supreme in many applications, there are functionally equivalent adjustable voltage regulators available. Some examples include the LM2575 or the MIC29300. It’s important to note that these alternatives might possess slight variations in features or package types. Always consult the datasheets of these components to ensure compatibility before substituting them for the LM317 TO-252.
  • Adjustable voltage regulator
  • LM317 voltage regulator
  • TO-252 voltage regulator
  • 1.5A voltage regulator
  • Positive voltage regulator

Package Includes:

• • 1 x LM317 Adjustable Voltage Regulator TO-252