Texas Instruments

LM2990S-15-TI  

Linear & Switching Voltage Regulators

LM2990S-15-TI Description

The LM2990S-15-TI is a high-performance linear low-dropout (LDO) voltage regulator designed for applications requiring a stable and efficient power supply. Manufactured by Texas Instruments, this regulator offers a fixed negative output voltage of -15V, capable of delivering up to 1.8A of output current. With a dropout voltage of only 1V at 1A, the LM2990S-15-TI ensures efficient power conversion even under heavy load conditions. The regulator is housed in a surface-mount package, making it suitable for compact and high-density designs. It features a quiescent current of just 1mA and a supply current of up to 5mA, contributing to its overall efficiency and low power consumption. The regulator also includes over-temperature and short-circuit protection, ensuring reliable operation and safeguarding against potential faults.

LM2990S-15-TI Features

• Fixed Negative Output Voltage: The LM2990S-15-TI provides a stable -15V output, making it ideal for applications requiring a negative voltage supply.
• High Output Current Capability: With a maximum output current of 1.8A, this regulator can efficiently power demanding circuits and components.
• Low Dropout Voltage: The maximum dropout voltage of 1V at 1A ensures high efficiency, especially in applications where the input voltage is close to the output voltage.
• Low Quiescent Current: A quiescent current of just 1mA minimizes power loss during standby or low-load conditions.
• Over-Temperature and Short-Circuit Protection: These protection features enhance the reliability and robustness of the regulator, safeguarding it against thermal overload and short circuits.
• Surface-Mount Package: The surface-mount design allows for easy integration into compact and high-density PCB layouts.
• High Power Supply Rejection Ratio (PSRR): With a PSRR of 52dB at 1kHz, the regulator effectively filters out noise from the input supply, ensuring clean and stable output voltage.
• Compliance and Status: The LM2990S-15-TI is REACH affected and has an ECCN classification of EAR99, ensuring compliance with international regulations.

LM2990S-15-TI Applications

The LM2990S-15-TI is well-suited for a variety of applications where a stable and efficient negative voltage supply is required. Some specific use cases include:

• Telecommunications: Powering analog and digital circuits in communication equipment, ensuring stable operation and minimal noise.
• Industrial Control Systems: Providing reliable power to sensors, actuators, and control modules, contributing to the overall efficiency and reliability of industrial systems.
• Medical Devices: Ensuring stable power supply to critical medical equipment, where reliability and low noise are paramount.
• Consumer Electronics: Ideal for powering audio and video components, where a stable negative voltage supply is necessary for optimal performance.
• Automotive Electronics: Suitable for powering various electronic modules in vehicles, where high reliability and efficiency are essential.

Conclusion of LM2990S-15-TI

The LM2990S-15-TI from Texas Instruments is a high-performance linear LDO voltage regulator that stands out for its efficiency, stability, and reliability. Its low dropout voltage, high output current capability, and robust protection features make it an excellent choice for a wide range of applications. Whether used in telecommunications, industrial control systems, medical devices, consumer electronics, or automotive electronics, the LM2990S-15-TI ensures stable and efficient power supply, contributing to the overall performance and reliability of the system.

LM2990S-15-TI Documents

Download datasheets and manufacturer documentation for LM2990S-15-TI

Datasheets :

LM2990Sx-12/NOPB Datasheet