The LM317HVT/NOPB, offered by Texas Instruments, is a high-voltage adjustable regulator capable of providing an output voltage ranging from 1.25V to 57V with a maximum output current exceeding 1.5A. This device is part of the LM317 series known for its versatility and robust performance in a wide range of applications requiring precise voltage regulation. The "HV" designation signifies its capability to handle higher input voltages up to 60V, making it suitable for high-demand power supply designs.

Key Features

• Wide Input Voltage Range: Operates efficiently with input voltages from 4.25V to 60V, accommodating various power sources.
• Adjustable Output Voltage: Offers an adjustable output voltage from 1.25V to 57V using external resistors, enabling customization for diverse application needs.
• Thermal Overload Protection: Built-in thermal protection ensures safe operation by preventing damage due to overheating.
• Current Limiting Protection: Integrated current limiting protects the device and downstream components from overcurrent conditions.
• High Efficiency: Designed to minimize power dissipation, improving overall system efficiency.
• Stable Operation: Incorporates internal compensation for stability across different load and line conditions.
• Lead-free Package: Compliant with RoHS standards, ensuring environmental responsibility.

Application Areas

The LM317HVT/NOPB is widely used in:

• Industrial Power Supplies: For generating stable voltages in industrial control systems and automated machinery.
• Telecommunications Equipment: To provide reliable voltage regulation in communication networks requiring high-voltage tolerance.
• Consumer Electronics: In devices needing adjustable power supplies such as benchtop power supplies and DIY electronics projects.
• Automotive Systems: Suitable for automotive electronics that demand robust voltage regulation under varying conditions.
• Testing and Measurement Devices: Ensures accurate voltage supply in testing equipment and laboratory instruments.

Summary

The LM317HVT/NOPB represents a versatile solution for high-voltage adjustable voltage regulation, offering a broad input voltage range, built-in protections, and efficient performance. Its ability to deliver a stable and adjustable output voltage makes it indispensable in industries such as industrial automation, telecommunications, consumer electronics, automotive, and testing equipment. With its rugged design and environmental compliance, this regulator stands out as a reliable choice for designers seeking precision and dependability in their power supply solutions.