ON Semiconductor LM317LDR2G

ON Semiconductor LM317LDR2G Adjustable Voltage Regulator: A Detailed Overview

The LM317LDR2G is a versatile, easy-to-use adjustable voltage regulator fabricated by ON Semiconductor. It is capable of supplying in excess of 100 mA over an output voltage range of 1.25V to 37V. This component is designed to offer a convenient solution for custom voltage regulation in a variety of electronic applications.

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Key Features and Benefits

• Adjustable output voltage range from 1.25V to 37V with a maximum output current of 100 mA.

• Output voltage regulation typically better than 0.1%.

• Internal short-circuit current limiting and thermal overload protection for enhanced safety and reliability.

• No external components required for operation, though it can be paired with external capacitors for improved transient response.

• Available in a small footprint SOT-89 package, ideal for space-constrained applications.

Common Applications

• Linear power supplies with variable output requirements.

• Battery chargers with the need for controlled charging voltages.

• Power supplies for hobbyist electronics and educational projects.

• Custom voltage regulation tasks in consumer electronics.

Advantages Over Competing Solutions

• High level of output voltage stability and precision.

• Internal protection features reduce the need for additional external safety components.

• Simple design and ease of use facilitate rapid development and deployment in various applications.

• Flexibility in application due to its wide voltage range and adjustable output.

Real Use Cases

• Customized power supply units for laboratory testing equipment.

• Adjustable LED drivers for lighting applications requiring variable intensity.

Similar Models and Series Companions

• LM317MDTRKG: A higher current variant capable of delivering up to 500 mA of output current.

• LM317LZG: A similar adjustable regulator in a TO-92 package for different mounting options.

Suggested Alternative Models

• Texas Instruments LM1117: A low dropout regulator suitable for applications requiring a fixed output voltage.

• Linear Technology LT1086: A high-performance alternative capable of delivering larger currents with low dropout voltage.