The LM2990T-12 is a robust, reliable negative low-dropout linear voltage regulator designed and manufactured by Texas Instruments, a leader in the semiconductor industry. This regulator is specifically engineered to maintain a consistent negative voltage level, making it ideal for a variety of applications that require a stable power supply under varying conditions.

Key Features

• Output Voltage: The LM2990T-12 provides a fixed output voltage of -12V, which is suitable for circuits that require a stable negative voltage rail.
• Current Capability: It can deliver up to 1A of output current, catering to a wide range of power requirements.
• Low Dropout Voltage: With its low dropout voltage design, the regulator maintains its output regulation with a minimal difference between the input and output voltages, enhancing efficiency.
• Thermal Shutdown: The built-in thermal shutdown feature protects the device from overheating, ensuring reliable operation and longevity.
• Short Circuit Protection: The LM2990T-12 is equipped with short circuit protection, which safeguards the regulator and the connected components from damage due to excessive current.
• TO-220 Package: Encased in a TO-220 package, the LM2990T-12 is designed for easy mounting and optimal heat dissipation.

Applications

The LM2990T-12 is versatile and can be used in various applications, including:

• Automotive applications where reliable negative voltage is crucial.
• Power supplies for operational amplifiers, audio amplifiers, and other analog devices that require a negative supply.
• Industrial control systems where stable power is necessary for accurate readings and operations.
• Telecommunication equipment that demands consistent performance under varying load conditions.

Quality and Reliability

Texas Instruments is committed to delivering high-quality products, and the LM2990T-12 is no exception. It undergoes rigorous testing and quality assurance processes to ensure that it meets the industry standards for performance and reliability. With the LM2990T-12, designers and engineers can confidently implement a negative voltage regulator that offers both efficiency and durability.