Texas Instruments

LM317AT/NOPB

The LM317AT/NOPB is a versatile, adjustable voltage regulator integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a stable and adjustable output voltage over a wide range of input voltages and load currents. The LM317AT/NOPB is available in a through-hole package, making it suitable for a variety of applications.

Description:

The LM317AT/NOPB is a three-terminal adjustable linear regulator that can provide an output voltage range from 1.25V to 37V. It has a quiescent current of typically 7mA, which is relatively low compared to other linear regulators. The device also features short-circuit protection, thermal shutdown, and over-temperature warning.

Features:

1. Adjustable output voltage range: 1.25V to 37V
2. Low quiescent current: Typically 7mA
3. Output current capability: Up to 1.5A (with appropriate heatsinking)
4. Input voltage range: 3V to 40V
5. Short-circuit protection
6. Thermal shutdown protection
7. Over-temperature warning
8. Through-hole package (TO-220)

Applications:

The LM317AT/NOPB is suitable for a wide range of applications due to its adjustable output voltage and low quiescent current. Some common applications include:

1. Power supply voltage regulation for electronic circuits
2. Battery charging and power management systems
3. LED dimming and current control
4. Linear power supply designs
5. Motor speed control
6. Audio amplifiers and other audio equipment
7. Laboratory power supplies
8. Custom voltage regulation for specific applications

In summary, the LM317AT/NOPB is a versatile and reliable adjustable voltage regulator IC that can be used in various applications requiring stable and adjustable output voltages. Its low quiescent current and built-in protection features make it an attractive choice for many electronic designs.