Manufacturer Part Number
LP2989ILD-3.3
Manufacturer
Texas Instruments
Introduction
Low-dropout voltage regulator designed for power-sensitive applications
Product Features and Performance
High Power Supply Rejection Ratio (PSRR) of 60dB at 1kHz
Low dropout voltage of 0.65V at 500mA load
Output voltage fixed at 3.3V for consistent performance
Compact surface mount 8-WDFN exposed pad package
Designed for linear voltage regulation with a single output
Low quiescent current of 175 µA optimizing power efficiency
Supports up to 16V input voltage
Output current capability of 500mA for moderate power applications
Product Advantages
High PSRR minimizes noise from supply fluctuations
Low dropout voltage allows operation closer to the input voltage
Low quiescent current aids in power conservation
Wide operating temperature range from -40°C to 125°C, suitable for harsh environments
Protection features ensure long-term reliability
Key Technical Parameters
Input Voltage (Max): 16V
Output Voltage (Min/Fixed): 3.3V
Voltage Dropout (Max): 0.65V @ 500mA
Current - Output: 500mA
Quiescent Current (Iq): 175 µA
Supply Current (Max): 9 mA
PSRR: 60dB at 1kHz
Operating Temperature Range: -40°C to 125°C
Quality and Safety Features
Over Current protection
Over Temperature protection
Short Circuit protection
Compatibility
Surface mount technology compatible
WSON 8-pin package interface
Application Areas
Consumer electronics
Telecommunications
Computing systems
Portable and battery-powered equipment
Product Lifecycle
Obsolete – product has been discontinued
Potential replacements or upgrades should be consulted from Texas Instruments product portfolio
Several Key Reasons to Choose This Product
Stable voltage regulation for critical applications
Energy efficient with low quiescent current
Robust protection features for enhanced safety and reliability
High PSRR for suppressing supply noise
Wide operating temperature range suitable for various environments
Support from a reputable manufacturer, Texas Instruments
