Texas Instruments

LM317LCDRG4

LM317LCDRG4 Description

The LM317LCDRG4 is a high-performance linear voltage regulator designed by Texas Instruments, offering adjustable output voltage and a wide range of input voltage capabilities. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in an 8-SOIC package, making it suitable for surface mount applications. The LM317LCDRG4 is designed to provide a stable output voltage with a minimum of 1.2V and a maximum of 32V, catering to a variety of electronic systems that require precise voltage regulation.

LM317LCDRG4 Features

• Adjustable Output Voltage: The LM317LCDRG4 offers an adjustable output voltage range from 1.2V to 32V, providing flexibility for various applications.
• Wide Input Voltage Range: With a maximum input voltage of 38V, this regulator can handle a broad range of input voltages, making it suitable for diverse power supply environments.
• Low Quiescent Current: The regulator features a low quiescent current of 2.5 mA, which is ideal for battery-operated devices and applications where power efficiency is critical.
• High PSRR: The Power Supply Rejection Ratio (PSRR) ranges from 80dB to 65dB at 120Hz, ensuring high performance in noisy environments and maintaining output stability.
• Protection Features: The LM317LCDRG4 includes over-current, over-temperature, and short-circuit protection, safeguarding the device and connected components from potential damage.
• Compliance and Status: The regulator is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It is also classified under ECCN EAR99 and HTSUS 8542.39.0001.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the LM317LCDRG4 is suitable for a wide range of manufacturing processes without the need for special handling.

LM317LCDRG4 Applications

The LM317LCDRG4 is ideal for a variety of applications due to its adjustable output voltage, wide input voltage range, and robust protection features. Some specific use cases include:

• Battery Chargers: The adjustable output voltage and low quiescent current make it suitable for battery charging applications where efficiency and precision are required.
• Power Supplies: The regulator can be used in general-purpose power supplies, providing stable voltage regulation for various electronic devices.
• Consumer Electronics: The wide input voltage range and protection features make it ideal for consumer electronics that require reliable power management.
• Industrial Equipment: The high PSRR and protection features ensure stable operation in industrial environments with high noise levels.
• Automotive Applications: The wide operating temperature range of 0°C to 125°C makes it suitable for automotive systems that operate under varying environmental conditions.

Conclusion of LM317LCDRG4

The LM317LCDRG4 from Texas Instruments is a versatile and reliable linear voltage regulator designed for a wide range of applications. Its adjustable output voltage, wide input voltage range, low quiescent current, and robust protection features make it a standout choice in the power management category. The device's compliance with environmental and safety standards further enhances its appeal. Whether used in battery chargers, power supplies, consumer electronics, industrial equipment, or automotive applications, the LM317LCDRG4 offers a high level of performance and reliability, making it an excellent choice for engineers and designers in the electronics industry.