Texas Instruments

LM317MKVURG3

The LM317MKVURG3 is a versatile, adjustable voltage regulator produced by Texas Instruments. It is a member of the LM317 family of linear voltage regulators, which are widely used for their ability to provide a stable output voltage over a range of input voltages and load currents.

Description:

The LM317MKVURG3 is a 3-terminal adjustable voltage regulator, which means it requires a minimum of three external components to set the desired output voltage. It is available in a small-outline integrated circuit (SOIC) package, making it suitable for use in compact electronic devices.

Features:

1. Adjustable output voltage: The LM317MKVURG3 can provide an output voltage ranging from 1.25V to 37V, depending on the external components used.
2. High input voltage range: It can handle input voltages from 3V to 40V, making it suitable for a wide range of applications.
3. Low dropout voltage: The LM317MKVURG3 has a low dropout voltage, which means it can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
4. Thermal protection: The regulator features an internal thermal shutdown circuit that protects it from overheating.
5. Transient response: The LM317MKVURG3 has a fast transient response, making it suitable for applications that require rapid changes in load current.
6. Low quiescent current: The regulator consumes minimal power when not under load, which is beneficial for battery-powered applications.

Applications:

1. Power supply voltage regulation: The LM317MKVURG3 can be used to provide a stable output voltage for various electronic devices, such as microcontrollers, sensors, and communication modules.
2. Battery-powered devices: Due to its low quiescent current, the LM317MKVURG3 is suitable for use in battery-powered devices to extend battery life.
3. LED dimming: The adjustable output voltage feature makes the LM317MKVURG3 suitable for controlling the brightness of LED lights.
4. Motor speed control: The regulator can be used to control the speed of small DC motors by adjusting the voltage supplied to them.
5. Laboratory power supplies: The LM317MKVURG3 can be used to build adjustable power supplies for laboratory or testing purposes.

In summary, the LM317MKVURG3 is a versatile and widely-used adjustable voltage regulator that offers a range of features, such as a high input voltage range, low dropout voltage, and thermal protection. It is suitable for various applications, including power supply voltage regulation, battery-powered devices, LED dimming, motor speed control, and laboratory power supplies.