LM1117S-5.0/NOPB

The LM1117S-5.0/NOPB is a low dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 5.0V with a maximum output current of 800mA. This device is particularly useful in applications where space is limited, as it comes in a compact surface-mount package.

Key Features:

1. Output Voltage: The LM1117S-5.0/NOPB provides a fixed output voltage of 5.0V, making it suitable for powering various electronic devices and circuits that require a stable voltage supply.

2. Dropout Voltage: The regulator has a low dropout voltage, typically around 1.2V at full load, which allows it to maintain regulation even when the input voltage is only slightly above the output voltage. This feature is particularly beneficial in battery-powered applications where maximizing battery life is crucial.

3. Current Capability: It can deliver up to 800mA of output current, making it suitable for a wide range of applications, from powering microcontrollers to driving sensors and other peripherals.

4. Thermal Protection: The LM1117S-5.0/NOPB includes built-in thermal shutdown protection, which prevents the device from overheating and potentially damaging itself or the connected load.

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-263 package, which is a surface-mount type that allows for efficient thermal dissipation and is suitable for automated assembly processes.

7. Operating Temperature Range: The LM1117S-5.0/NOPB operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for both consumer and industrial applications.

8. Input Voltage Range: The input voltage range for this regulator is typically from 4.75V to 15V, allowing it to be used in various power supply configurations.

9. Low Noise: The LM1117 series is designed to provide low output noise, which is essential for sensitive analog applications.

Applications:

The LM1117S-5.0/NOPB is widely used in various applications, including:

• Power supplies for microcontrollers and digital signal processors (DSPs)
• Battery-powered devices
• Portable electronics
• Automotive electronics
• Communication equipment
• Consumer electronics

Conclusion:

The LM1117S-5.0/NOPB from Texas Instruments is a versatile and reliable voltage regulator that offers a combination of low dropout voltage, high current capability, and robust protection features. Its compact design and ease of use make it an excellent choice for engineers and designers looking to implement efficient power management solutions in their electronic projects.