Texas Instruments

LM2990T-5.0/NOPB  

Linear & Switching Voltage Regulators

LM2990T-5.0/NOPB Description

The LM2990T-5.0/NOPB is a high-performance linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of -5V with a maximum output current of 1.8A. This regulator is housed in a TO220-3 package, making it suitable for through-hole mounting. The LM2990T-5.0/NOPB features a low dropout voltage of 1V at 1A, ensuring efficient operation even under low input-to-output voltage differentials. With a quiescent current of just 1mA and a supply current of up to 5mA, this regulator is optimized for low-power applications. It also includes over-temperature and short-circuit protection, enhancing its reliability and robustness.

LM2990T-5.0/NOPB Features

• Output Type: Fixed at -5V, providing a stable and reliable power supply for various electronic circuits.
• Output Current: Capable of delivering up to 1.8A, making it suitable for applications requiring moderate to high current loads.
• Low Dropout Voltage: With a maximum dropout voltage of 1V at 1A, the LM2990T-5.0/NOPB ensures efficient power conversion even when the input voltage is close to the output voltage.
• Protection Features: Over-temperature and short-circuit protection safeguard the regulator and connected circuits from damage.
• Low Quiescent Current: A quiescent current of only 1mA minimizes power consumption during standby or low-load conditions.
• High PSRR: A power supply rejection ratio (PSRR) of 58dB at 1kHz ensures minimal noise and ripple on the output voltage.
• Compliance: The regulator is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the device is not sensitive to moisture, making it suitable for a wide range of environmental conditions.

LM2990T-5.0/NOPB Applications

The LM2990T-5.0/NOPB is ideal for a variety of applications where a stable and reliable negative voltage supply is required. Some specific use cases include:

• Power Supplies: Ideal for linear power supplies in consumer electronics, industrial equipment, and medical devices.
• Battery Chargers: Suitable for battery charging circuits where a stable voltage is crucial for safe and efficient charging.
• Telecommunications: Can be used in telecommunication equipment requiring a stable -5V supply for various components.
• Automotive Electronics: Applicable in automotive systems where a reliable power supply is essential for electronic control units (ECUs) and other critical components.
• Instrumentation: Useful in precision instruments and measurement devices that require a stable and low-noise power supply.

Conclusion of LM2990T-5.0/NOPB

The LM2990T-5.0/NOPB from Texas Instruments stands out as a robust and efficient linear voltage regulator, offering a fixed -5V output with a maximum current of 1.8A. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications requiring high efficiency and low noise. The inclusion of over-temperature and short-circuit protection further enhances its reliability and durability. With its compliance to REACH and ROHS3 standards and a moisture sensitivity level of 1, the LM2990T-5.0/NOPB is well-suited for a wide range of industrial and consumer applications, ensuring stable and reliable performance in various operating conditions.

LM2990T-5.0/NOPB Documents

Download datasheets and manufacturer documentation for LM2990T-5.0/NOPB

PCN Assembly/Origin :

Mult Devices 21/Aug/2017      

Datasheets :

LM2990 Datasheet      

Design Resources :

Cooling Requirements for Linear Voltage Regulator       LM2990 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM2990 Datasheet