LM79L05ACZ/NOPB

The LM79L05ACZ/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of -5V, making it suitable for various applications that require a negative voltage supply. Here’s a detailed description of its features and specifications:

Key Features:

1. Output Voltage: The LM79L05ACZ/NOPB provides a fixed output voltage of -5V, which is ideal for powering negative voltage circuits.

2. Low Dropout Voltage: This regulator is characterized by a low dropout voltage, typically around 0.1V at a load current of 100mA. This means it can maintain regulation even when the input voltage is only slightly above the output voltage.

3. Output Current: The device can deliver up to 100mA of output current, making it suitable for low to moderate power applications.

4. Thermal Protection: The LM79L05ACZ/NOPB includes built-in thermal shutdown protection, which helps prevent damage due to overheating by shutting down the output if the junction temperature exceeds a certain threshold.

5. Short-Circuit Protection: It features short-circuit protection, ensuring that the device can withstand short-circuit conditions without sustaining damage.

6. Package Type: The regulator is available in a TO-220 package, which provides good thermal performance and is easy to mount on a PCB.

7. Operating Temperature Range: The LM79L05ACZ/NOPB operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for various environmental conditions.

8. Low Noise: The device is designed to provide low output noise, which is essential for sensitive analog applications.

9. Pin Configuration: The regulator has a standard three-pin configuration, with pins for input, ground, and output. This makes it easy to integrate into existing designs.

Applications:

The LM79L05ACZ/NOPB is commonly used in applications such as:

• Negative voltage power supplies for operational amplifiers and analog circuits.
• Powering sensors and other devices that require a negative voltage.
• Telecommunications equipment.
• Industrial control systems.

Conclusion:

The LM79L05ACZ/NOPB from Texas Instruments is a reliable and efficient negative voltage regulator that offers a combination of low dropout voltage, thermal protection, and ease of use. Its robust design and wide operating temperature range make it a versatile choice for various electronic applications requiring a stable -5V output.