LM2990SX-15

The LM2990SX-15 is a voltage regulator manufactured by Texas Instruments, designed to provide a stable output voltage for various electronic applications. This component is part of the LM2990 series, which is known for its low dropout voltage and high performance.

Key Features:

1. Output Voltage: The LM2990SX-15 specifically provides a fixed output voltage of 15V, making it suitable for applications that require a stable power supply at this voltage level.

2. Dropout Voltage: One of the standout features of the LM2990 is its low dropout voltage, typically around 0.5V at full load. This means that the input voltage can be very close to the output voltage, allowing for efficient operation in battery-powered devices.

3. Current Output: The regulator can deliver up to 1A of output current, making it capable of powering a variety of loads, from small circuits to larger devices.

4. Thermal Protection: The LM2990SX-15 includes built-in thermal shutdown protection, which helps prevent damage to the device and the circuit in case of overheating.

5. Package Type: The device is available in a surface-mount package (SOT-223), which is compact and suitable for modern PCB designs, allowing for efficient use of space.

6. Operating Temperature Range: The LM2990SX-15 operates effectively over a wide temperature range, typically from -40°C to +125°C, making it suitable for both consumer and industrial applications.

7. Noise Performance: The regulator features low output noise, which is essential for sensitive applications such as audio equipment and precision analog circuits.

8. Application Areas: Common applications for the LM2990SX-15 include power supplies for telecommunications equipment, automotive electronics, and various consumer electronics that require a reliable 15V power source.

Electrical Characteristics:

• Input Voltage Range: The LM2990SX-15 can accept a wide range of input voltages, typically from 16V to 30V, allowing for flexibility in design.
• Quiescent Current: The device has a low quiescent current, which is beneficial for battery-operated devices, as it helps extend battery life.

Conclusion:

The LM2990SX-15 from Texas Instruments is a robust and reliable voltage regulator that combines low dropout voltage, thermal protection, and a compact package design. Its ability to deliver a stable 15V output at up to 1A makes it a versatile choice for a wide range of electronic applications, ensuring that devices receive the power they need to operate efficiently and effectively.