Manufacturer Part Number
LM2990SX-5.0
Manufacturer
Texas Instruments
Introduction
The LM2990SX-5.0 is a high-performance, low-dropout, negative voltage regulator designed for a wide range of applications.
Product Features and Performance
Operates from input voltages up to -26V
Provides a fixed -5V output
Capable of delivering up to 1.8A of output current
Excellent line and load regulation
Low quiescent current of 1mA
High power supply rejection ratio (PSRR) of 58dB at 1kHz
Over-temperature and short-circuit protection
Product Advantages
Wide input voltage range
High output current capability
Excellent regulation and PSRR performance
Low quiescent current
Robust protection features
Key Technical Parameters
Input Voltage Range: -26V (max)
Output Voltage: -5V (fixed)
Output Current: 1.8A (max)
Quiescent Current: 1mA
Voltage Dropout: 1V @ 1A
Operating Temperature: -40°C to 125°C
Quality and Safety Features
RoHS3 compliant
Over-temperature and short-circuit protection
Compatibility
Surface mount package (DDPAK/TO-263-3)
Suitable for a wide range of applications
Application Areas
Industrial and automotive electronics
Telecommunication equipment
Medical devices
Test and measurement equipment
Product Lifecycle
The LM2990SX-5.0 is an active product and is not nearing discontinuation.
Replacement or upgraded products are available if needed.
Several Key Reasons to Choose This Product
Wide input voltage range to accommodate various system requirements
High output current capability for demanding applications
Excellent regulation and PSRR performance for clean and stable output
Low quiescent current to minimize power consumption
Robust protection features for reliable operation
Surface mount package for easy integration into compact designs