LM2990S-12/NOPB

The LM2990S-12/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage with minimal input-output voltage differential, making it suitable for applications where space and efficiency are critical.

Key Features:

1. Output Voltage: The LM2990S-12/NOPB provides a fixed output voltage of 12V, which is ideal for powering various electronic devices and circuits that require a stable voltage supply.

2. Low Dropout Voltage: The device features a low dropout voltage, typically around 0.5V at full load, allowing it to maintain regulation even when the input voltage is close to the output voltage. This characteristic is particularly beneficial in battery-powered applications where maximizing battery life is essential.

3. Current Capability: The regulator can deliver up to 1A of output current, making it suitable for a range of applications, from simple consumer electronics to more demanding industrial devices.

4. Thermal Protection: The LM2990S-12/NOPB includes built-in thermal shutdown protection, which prevents the device from overheating and ensures reliable operation under varying load conditions.

5. Short-Circuit Protection: This LDO also features short-circuit protection, safeguarding the device and the connected load in the event of a fault condition.

6. Package Type: The LM2990S-12/NOPB is available in a TO-220 package, which provides good thermal performance and allows for easy mounting on a heat sink if necessary.

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

8. Low Quiescent Current: The regulator has a low quiescent current, which helps to improve efficiency, especially in battery-operated devices.

9. Input Voltage Range: The LM2990S-12/NOPB can accept a wide range of input voltages, typically from 14V down to the minimum required for regulation, allowing for flexibility in design.

Applications:

The LM2990S-12/NOPB is commonly used in various applications, including:

• Power supplies for consumer electronics
• Automotive electronics
• Industrial control systems
• Telecommunications equipment
• Battery-powered devices

Conclusion:

The LM2990S-12/NOPB from Texas Instruments is a robust and efficient voltage regulator that provides a reliable 12V output with low dropout voltage and high current capability. Its protective features and wide operating range make it a versatile choice for a variety of electronic applications.