LM317LMX/NOPB

The LM317LMX/NOPB is a versatile adjustable voltage regulator manufactured by Texas Instruments. It is part of the LM317 family, which is widely recognized for its reliability and performance in various electronic applications. Here’s a detailed description of its features and specifications:

General Overview:

• Type: Adjustable Linear Voltage Regulator
• Package: Typically available in a TO-220 or TO-263 package, which provides good thermal performance and ease of mounting on PCBs.
• Manufacturer: Texas Instruments

Key Features:

1. Adjustable Output Voltage: The LM317LMX/NOPB can provide an output voltage that can be adjusted from 1.25V to 37V, making it suitable for a wide range of applications.
2. Output Current: It can deliver up to 1.5A of output current, which is sufficient for many low to medium power applications.
3. Line Regulation: The device offers excellent line regulation, typically around 0.01%/V, ensuring stable output voltage despite variations in input voltage.
4. Load Regulation: It also features good load regulation, typically around 0.1% for a load change from 0 to 1.5A.
5. Thermal Protection: The LM317LMX/NOPB includes built-in thermal overload protection, which prevents damage due to overheating.
6. Short-Circuit Protection: It has short-circuit protection, which helps safeguard the device and the connected load in case of a fault condition.
7. Low Dropout Voltage: The dropout voltage is typically around 3V at full load, allowing it to maintain regulation even with a relatively low input-output voltage differential.

Electrical Characteristics:

• Input Voltage Range: The input voltage can range from 3V above the output voltage up to 40V, providing flexibility in design.
• Quiescent Current: The quiescent current is low, which is beneficial for battery-powered applications.
• Temperature Range: The operating temperature range is typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

Applications:

The LM317LMX/NOPB is commonly used in:

• Power supplies for various electronic devices
• Battery chargers
• Adjustable power supplies
• Voltage regulation in automotive applications
• Circuit protection and regulation in consumer electronics

Conclusion:

The LM317LMX/NOPB from Texas Instruments is a robust and reliable adjustable voltage regulator that offers a wide range of output voltages and currents, making it a popular choice for engineers and designers in various fields. Its combination of features, including thermal and short-circuit protection, ensures safe and efficient operation in diverse applications.