The LM2990S-12 by Texas Instruments is a robust, negative voltage regulator designed to offer a convenient and efficient solution for applications requiring a regulated negative voltage. This regulator is part of the LM2990 series, known for their reliability and performance in a wide range of electronic devices.

Key Features

• Output Voltage: The LM2990S-12 is designed to provide a fixed output voltage of -12V, making it ideal for circuits that require a stable negative voltage reference.
• Output Current: Capable of delivering up to 1A of output current, this regulator can support a variety of loads, from simple low-power devices to more demanding applications.
• Thermal Protection: The device includes built-in thermal shutdown features that protect the regulator from overheating, ensuring long-term stability and reliability.
• Short Circuit Protection: The LM2990S-12 is equipped with short circuit protection, which helps to safeguard the regulator and the connected components in case of a fault condition.
• Low Dropout Voltage: With a low dropout voltage, this regulator maintains regulation even when the supply voltage is very close to the output voltage, which enhances efficiency and allows for flexible power supply design.

Applications

The LM2990S-12 is versatile and can be used in a multitude of applications, including but not limited to:

• Power supplies for operational amplifiers
• Instrumentation
• Automotive electronics
• Analog circuits requiring negative voltage

Package and Quality

This regulator is available in a TO-263 package, which is suitable for surface mount technology and is designed to handle high power dissipation. The LM2990S-12 meets Texas Instruments' high-quality standards, ensuring reliable performance for both commercial and industrial applications.

With its robust design, comprehensive protection features, and reliable performance, the LM2990S-12 from Texas Instruments stands out as a top choice for designers seeking a negative voltage regulator solution.