Texas Instruments

LM317MQDCYRG3

LM317MQDCYRG3 Description

The LM317MQDCYRG3 is a high-performance, adjustable linear voltage regulator designed for a wide range of power management applications. Manufactured by Texas Instruments, this device offers an adjustable output voltage ranging from 1.25V to 37V, making it highly versatile for various electronic systems. The regulator is capable of delivering up to 500mA of output current, ensuring reliable power delivery to demanding loads.

This regulator is housed in a Surface Mount SOT223 package, which is ideal for compact designs and high-density PCB layouts. The LM317MQDCYRG3 features a maximum input voltage of 40V, providing robustness against voltage surges and ensuring stable operation in diverse environments. Additionally, the regulator includes essential protection features such as over-current, over-temperature, and short-circuit protection, enhancing its reliability and longevity.

LM317MQDCYRG3 Features

• Adjustable Output Voltage: The LM317MQDCYRG3 offers an adjustable output voltage from 1.25V to 37V, providing flexibility to meet specific application requirements.
• High Input Voltage Range: With a maximum input voltage of 40V, this regulator can handle a wide range of input voltages, making it suitable for various power sources.
• Output Current Capability: The regulator supports up to 500mA of output current, ensuring sufficient power for a broad range of electronic devices.
• Low Quiescent Current: A quiescent current of only 10mA ensures high efficiency, even at low load conditions.
• Protection Features: Over-current, over-temperature, and short-circuit protection safeguard the regulator and connected circuits from potential damage.
• High PSRR: A Power Supply Rejection Ratio (PSRR) of 80dB to 65dB at 120Hz ensures minimal noise and ripple in the output voltage.
• Compliance and Packaging: The LM317MQDCYRG3 is REACH unaffected and RoHS3 compliant, adhering to stringent environmental standards. It is available in a Tape & Reel (TR) package, facilitating efficient manufacturing processes.

LM317MQDCYRG3 Applications

The LM317MQDCYRG3 is well-suited for a variety of applications due to its adjustable output voltage, high input voltage range, and robust protection features. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles, where adjustable voltage and low quiescent current are crucial.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that require stable and adjustable power supply.
• Automotive Electronics: Applicable in automotive applications where high input voltage tolerance and reliable protection features are necessary.
• Medical Devices: Can be used in medical equipment that demands precise voltage regulation and low noise performance.

Conclusion of LM317MQDCYRG3

The LM317MQDCYRG3 stands out as a versatile and reliable linear voltage regulator, offering adjustable output voltage, high input voltage tolerance, and robust protection features. Its low quiescent current and high PSRR make it an excellent choice for applications requiring high efficiency and minimal noise. The Surface Mount SOT223 package ensures compatibility with modern, compact PCB designs. Whether for consumer electronics, industrial systems, automotive applications, or medical devices, the LM317MQDCYRG3 provides a robust and efficient power management solution.