Product Overview: LM2990SX-12 Negative Low-Dropout Regulator

The LM2990SX-12 from Texas Instruments is a robust negative low-dropout (LDO) voltage regulator designed to provide a reliable power supply with a fixed output voltage of -12V. This regulator is part of the LM2990 series, which is well-suited for applications requiring a negative voltage rail. The device is capable of delivering up to 1A of output current, ensuring sufficient power for a wide range of electronic components.

Key Features

• Fixed Output Voltage: The LM2990SX-12 is designed to provide a stable -12V output, which is critical for maintaining the performance of sensitive electronic circuits.
• High Current Capability: With an output current capability of up to 1A, this regulator can power multiple devices or high-current loads with ease.
• Low Dropout Voltage: The LDO technology ensures efficient operation with a minimal voltage drop between the input and output, leading to improved power efficiency and reduced heat generation.
• Thermal Shutdown and Current Limit Protection: Built-in safety features protect the device and the connected components from damage due to overheating or overcurrent conditions.
• Wide Operating Temperature Range: The LM2990SX-12 can operate over a broad temperature range, making it suitable for industrial and automotive applications.

Applications

The LM2990SX-12 is ideal for a variety of applications where a stable negative voltage is required. This includes, but is not limited to:

• Operational amplifier power supplies
• Automotive electronics
• Industrial control systems
• Portable battery-powered devices
• Instrumentation

Package and Quality

The LM2990SX-12 is available in a TO-263 package, which is designed for optimal heat dissipation and space-saving on printed circuit boards. Texas Instruments' commitment to quality ensures that this product meets rigorous industry standards for reliability and performance.

With its robust design, comprehensive protection features, and reliable performance, the LM2990SX-12 from Texas Instruments is an excellent choice for designers who require a dependable negative voltage regulator for their electronic projects.