Texas Instruments

LM2990S-5.0/NOPB  

Linear & Switching Voltage Regulators

LM2990S-5.0/NOPB Description

The LM2990S-5.0/NOPB from Texas Instruments is a high-performance, fixed-output negative linear voltage regulator delivering -5V at up to 1.8A of continuous output current. Designed for demanding applications, it features a low dropout voltage of 1V (max) @ 1A, ensuring efficient operation even with marginal input-output differentials. The device operates with a quiescent current of just 1 mA and offers excellent line regulation, making it ideal for power-sensitive systems. Packaged in a DDPAK/TO-263 surface-mount form factor, it is suited for automated assembly processes. With RoHS3 compliance and REACH unaffected status, it meets stringent environmental standards.

LM2990S-5.0/NOPB Features

• Fixed -5V Output: Stable voltage regulation for negative rail applications.
• High Current Capability: Supports up to 1.8A with robust thermal performance.
• Low Dropout Voltage: 1V (max) @ 1A, minimizing power dissipation.
• Enhanced Protection: Integrated over-temperature and short-circuit safeguards.
• Low Quiescent Current: 1 mA typical, optimizing efficiency in standby modes.
• High PSRR: 58dB @ 1kHz, ensuring noise immunity in sensitive circuits.
• Wide Operating Range: Compatible with industrial and automotive environments (ECCN: EAR99).
• Surface-Mount Package: DDPAK/TO-263 for compact PCB layouts and high thermal dissipation.

LM2990S-5.0/NOPB Applications

• Industrial Power Supplies: Reliable negative rail generation for analog and mixed-signal systems.
• Automotive Electronics: Stable voltage regulation in infotainment and sensor modules.
• Test & Measurement Equipment: Precision power delivery for high-accuracy instruments.
• Telecom Infrastructure: Noise-resistant power for RF and signal processing circuits.
• Embedded Systems: Efficient power management in FPGA, DSP, and microcontroller applications.

Conclusion of LM2990S-5.0/NOPB

The LM2990S-5.0/NOPB stands out as a robust, high-current negative voltage regulator with low dropout, superior PSRR, and integrated protections. Its combination of efficiency, reliability, and compact packaging makes it a preferred choice for industrial, automotive, and telecom applications where stable negative rail power is critical. Texas Instruments' proven design ensures long-term performance in harsh environments, aligning with modern regulatory and thermal requirements.

LM2990S-5.0/NOPB Documents

Download datasheets and manufacturer documentation for LM2990S-5.0/NOPB

PCN Assembly/Origin :

Mult Devices 21/Aug/2017      

Datasheets :

LM2990      

Design Resources :

LM2990 Design with WEBENCH® Power Designer