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LM317LD

LM317LD Description

The LM317LD is a high-performance linear voltage regulator designed for a wide range of power management applications. Manufactured by UMW, this regulator offers adjustable output voltage capabilities, making it highly versatile for various electronic systems. With a maximum input voltage of 40V and a maximum output current of 1.5A, the LM317LD is well-suited for demanding applications requiring stable and reliable power delivery.

The LM317LD features a minimum output voltage of 1.2V and a maximum output voltage of 37V, providing a wide range of voltage regulation options. Its positive output configuration ensures compatibility with a broad spectrum of electronic devices. The regulator operates within a temperature range of 0°C to 125°C (TJ), making it suitable for both commercial and industrial environments.

LM317LD Features

• Adjustable Output Voltage: The LM317LD offers adjustable output voltage from 1.2V to 37V, providing flexibility in power management solutions.
• High Input Voltage Range: With a maximum input voltage of 40V, the regulator can handle a wide range of input power sources.
• High Output Current Capability: The regulator supports a maximum output current of 1.5A, ensuring robust power delivery for demanding applications.
• Low Quiescent Current: The LM317LD features a low quiescent current of 12mA, which minimizes power consumption during operation.
• High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 75dB to 60dB at 120Hz, ensuring excellent noise suppression and stable output voltage.
• Protection Features: Over-current, over-temperature, and short-circuit protection features ensure the reliability and longevity of the regulator.
• Surface Mount Packaging: The LM317LD is available in a surface mount package, making it ideal for compact and high-density PCB designs.
• Compliance: The regulator is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory compliance.

LM317LD Applications

The LM317LD is ideal for a variety of applications where stable and adjustable voltage regulation is required. Some specific use cases include:

• Power Supplies: Ideal for adjustable power supplies in laboratories and industrial settings.
• Battery Chargers: Suitable for battery charging applications where precise voltage control is necessary.
• Consumer Electronics: Used in various consumer electronics devices requiring reliable power management.
• Industrial Equipment: Applicable in industrial control systems and automation equipment.
• Telecommunications: Ideal for power management in telecommunication infrastructure.

Conclusion of LM317LD

The LM317LD is a versatile and reliable linear voltage regulator that offers a wide range of adjustable output voltages and robust performance features. Its high input voltage range, high output current capability, and low quiescent current make it an excellent choice for a variety of power management applications. The inclusion of over-current, over-temperature, and short-circuit protection ensures the regulator's reliability and longevity. With its surface mount packaging and compliance with environmental and regulatory standards, the LM317LD stands out as a top choice for engineers and designers in the electronics industry.