Texas Instruments

LM317AMDT

LM317AMDT Description

The LM317AMDT from Texas Instruments is a high-performance, adjustable positive linear voltage regulator designed for surface-mount applications (TO-252-3 package). With an input voltage range up to 40V and an adjustable output voltage from 1.25V to 37V, it delivers a robust 1.5A output current, making it ideal for power supply designs requiring precision and reliability. The device features low quiescent current (10 mA) and excellent PSRR (80dB ~ 65dB at 120Hz), ensuring stable performance in noisy environments.

LM317AMDT Features

• Adjustable Output: Fine-tune voltage from 1.25V to 37V with just two external resistors.
• High Current Capacity: Supports 1.5A continuous output with over-current, over-temperature, and short-circuit protection.
• Wide Input Range: Operates with inputs up to 40V, accommodating diverse power sources.
• Low Dropout: Efficient performance with minimal voltage headroom.
• Enhanced Stability: 80dB PSRR reduces noise for sensitive applications.
• Robust Packaging: TO-252-3 (DPAK) surface-mount package for compact PCB designs.
• Compliance: ROHS3 and REACH compliant, with MSL 1 (Unlimited) moisture sensitivity.

LM317AMDT Applications

The LM317AMDT excels in:

• Industrial Power Supplies: Stable voltage regulation for control systems and sensors.
• Consumer Electronics: Adjustable power for audio amplifiers, LED drivers, and portable devices.
• Automotive Systems: Reliable voltage control in infotainment and lighting circuits.
• Test & Measurement Equipment: Precision voltage references and lab power supplies.
• Renewable Energy: Solar charge controllers and battery management systems.

Conclusion of LM317AMDT

The LM317AMDT stands out as a versatile, high-current linear regulator with exceptional adjustability and protection features. Its wide input range, low noise, and robust packaging make it a top choice for engineers designing compact, high-efficiency power solutions. While marked as Last Time Buy, its proven reliability ensures it remains a valuable component for legacy and new designs requiring precision voltage regulation.