LP2989ILD-3.3 - Texas Instruments

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