LM78L05ACZ/NOPB

The LM78L05ACZ/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 5 volts with a maximum output current of 100 mA. This component is particularly useful in applications where a regulated power supply is needed, such as in microcontroller circuits, sensor applications, and other electronic devices.

Key Features:

1. Output Voltage: The LM78L05ACZ/NOPB provides a fixed output voltage of 5V, making it suitable for powering various digital circuits and components that require a stable voltage supply.

2. Input Voltage Range: The device can accept a wide input voltage range, typically from 7V to 20V, allowing it to be used in various power supply configurations.

3. Low Dropout Voltage: The LDO design allows for a low dropout voltage, typically around 0.5V at full load, which means it can maintain regulation even when the input voltage is close to the output voltage.

4. Thermal Protection: The LM78L05ACZ/NOPB includes built-in thermal shutdown protection, which prevents the device from overheating and potentially damaging itself or the connected components.

5. Short-Circuit Protection: This regulator also features short-circuit protection, ensuring that it can withstand fault conditions without sustaining damage.

6. Package Type: The device is available in a TO-220 package, which is a common form factor for power regulators. This package provides good thermal performance and is easy to mount on a PCB.

7. Low Noise: The LM78L05ACZ/NOPB is designed to provide low output noise, making it suitable for sensitive applications where power supply noise could affect performance.

8. Ease of Use: The regulator requires minimal external components for operation, typically just a couple of capacitors for stability, making it easy to integrate into designs.

Applications:

• Power supply for microcontrollers and digital circuits
• Sensor power supplies
• Battery-powered devices
• General-purpose voltage regulation in electronic systems

Electrical Characteristics:

• Output Current: 100 mA maximum
• Output Voltage Tolerance: ±5% at room temperature
• Operating Temperature Range: Typically from -40°C to +125°C

Conclusion:

The LM78L05ACZ/NOPB from Texas Instruments is a reliable and efficient voltage regulator that is well-suited for a variety of electronic applications. Its combination of low dropout voltage, thermal protection, and ease of use makes it a popular choice among engineers and designers looking for a dependable power supply solution.