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LM317LZTFR

LM317LZTFR Description

The LM317LZTFR is a linear positive adjustable voltage regulator designed for a wide range of power management applications. Manufactured by onsemi, this regulator offers a maximum input voltage of 40V and a maximum output voltage of 37V, making it suitable for various electronic systems. With a minimum output voltage of 1.2V and an adjustable output type, it provides flexibility in setting the desired voltage level. The regulator is capable of delivering up to 100mA of output current, ensuring reliable power supply for small to medium-sized devices. It features a quiescent current of 10mA and a power supply rejection ratio (PSRR) of 80dB at 120Hz, which helps in maintaining stable output voltage under varying conditions. The LM317LZTFR is housed in a Through Hole TO92-3 package, making it easy to integrate into various circuit designs. It also includes protection features such as over current, over temperature, and short circuit protection, enhancing its reliability and robustness. The operating temperature range of 0°C to 125°C makes it suitable for use in a wide range of environmental conditions. Despite being marked as obsolete, the LM317LZTFR remains a viable option for applications where its specific features are required.

LM317LZTFR Features

• Adjustable Output Voltage: The LM317LZTFR offers an adjustable output voltage ranging from 1.2V to 37V, providing flexibility to meet specific application requirements.
• High Input Voltage Range: With a maximum input voltage of 40V, it can handle a wide range of input power sources, making it suitable for various power management applications.
• Low Quiescent Current: The regulator has a low quiescent current of 10mA, which is beneficial for applications where power consumption needs to be minimized.
• High PSRR: The power supply rejection ratio of 80dB at 120Hz ensures that the output voltage remains stable even when the input voltage fluctuates, providing a clean and stable power supply to the load.
• Protection Features: Over current, over temperature, and short circuit protection features enhance the reliability and robustness of the regulator, protecting it from potential damage.
• Wide Operating Temperature Range: The operating temperature range of 0°C to 125°C makes it suitable for use in a variety of environmental conditions, from industrial to automotive applications.
• Through Hole Packaging: The Through Hole TO92-3 package is easy to integrate into various circuit designs, providing a reliable mechanical connection and ease of soldering.

LM317LZTFR Applications

The LM317LZTFR is ideal for a variety of applications where a stable and adjustable power supply is required. Some specific use cases include:

• Consumer Electronics: Used in devices such as radios, portable music players, and small appliances where a reliable and adjustable power source is needed.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that require a stable power supply to operate efficiently.
• Automotive Electronics: Ideal for automotive applications where the regulator needs to withstand a wide range of temperatures and provide a stable power supply to various electronic components.
• Medical Devices: Can be used in medical equipment where precision and reliability are critical, ensuring that the device operates within specified voltage ranges.
• Telecommunications: Used in communication devices and infrastructure where a stable power supply is essential for maintaining signal integrity and device performance.

Conclusion of LM317LZTFR

The LM317LZTFR is a versatile linear positive adjustable voltage regulator that offers a wide range of features and benefits. Its adjustable output voltage, high input voltage range, and low quiescent current make it suitable for a variety of applications. The inclusion of protection features such as over current, over temperature, and short circuit protection ensures its reliability and robustness. Despite being marked as obsolete, the LM317LZTFR remains a valuable component for applications where its specific features are required. Its wide operating temperature range and Through Hole packaging make it easy to integrate into various circuit designs, ensuring that it continues to be a reliable choice for power management solutions.