LM317MDTX/NOPB PMIC - Линейные стабилизаторы напряжения от Texas Instruments

The LM317MDTX/NOPB is a versatile adjustable voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage that can be adjusted from 1.25V to 37V, making it suitable for a wide range of applications, including power supplies, battery chargers, and other electronic circuits requiring a regulated voltage.

Key Features:

1. Adjustable Output Voltage: The LM317 allows users to set the output voltage to their desired level using external resistors. This flexibility makes it ideal for custom applications.

2. Output Current: The device can deliver up to 1.5A of output current, which is sufficient for many low to medium power applications.

3. Thermal Overload Protection: The LM317 is equipped with built-in thermal overload protection, which helps prevent damage to the device and the circuit in case of overheating.

4. Short-Circuit Protection: This feature protects the regulator from damage due to short circuits, ensuring reliability and longevity in various applications.

5. Low Dropout Voltage: The LM317 has a low dropout voltage, typically around 3V at full load, which allows it to maintain regulation even when the input voltage is only slightly higher than the output voltage.

6. Wide Input Voltage Range: The device can accept input voltages ranging from 3V to 40V, providing versatility in power supply design.

7. Package Type: The LM317MDTX/NOPB is available in a TO-220 package, which is suitable for heat dissipation and easy mounting on PCBs.

8. No Lead (NOPB): The designation "NOPB" indicates that the product is free from lead, making it compliant with environmental regulations such as RoHS.

Applications:

• Power Supply Circuits: Ideal for creating adjustable power supplies for various electronic devices.
• Battery Chargers: Can be used in battery charging applications where a stable voltage is required.
• LED Drivers: Suitable for driving LEDs with a constant current.
• Regulated Power Sources: Used in circuits that require a stable voltage reference.

Electrical Characteristics:

• Input Voltage Range: 3V to 40V
• Output Voltage Range: 1.25V to 37V
• Output Current: Up to 1.5A
• Dropout Voltage: Typically 3V at full load
• Temperature Range: Operates within a wide temperature range, typically from -40°C to +125°C.

Conclusion:

The LM317MDTX/NOPB from Texas Instruments is a reliable and flexible adjustable voltage regulator that is widely used in various electronic applications. Its combination of features, including adjustable output, thermal protection, and a wide input voltage range, makes it a popular choice among engineers and hobbyists alike.