LP2989AIM-1.8 - Texas Instruments

Manufacturer Part Number

LP2989AIM-1.8

Manufacturer

Texas Instruments

Introduction

The LP2989AIM-1.8 is a low dropout (LDO) linear voltage regulator, optimal for systems that require a low voltage supply from a higher voltage input.

Product Features and Performance

Low dropout voltage of 0.65V at 500mA

Fixed output voltage of 1.8V

Output current of 500mA

High PSRR of 60dB at 1kHz

Control features include enable function

Product Advantages

Efficient power conversion with minimal heat generation

Stable output with high PSRR, reducing noise susceptibility

Built-in protection features for enhanced reliability and safety

Key Technical Parameters

Input Voltage (Max): 16V

Output Voltage (Min/Fixed): 1.8V

Output Current: 500mA

Voltage Dropout (Max): 0.65V @ 500mA

Quiescent Current (Iq): 175 µA

Supply Current (Max): 9 mA

Quality and Safety Features

Protection from over current, over temperature, and short circuit

Compatibility

Compatible with various applications requiring a 1.8V power supply

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Application Areas

Suitable for telecommunications, computer systems, and peripheral devices requiring a stable and efficient low voltage power supply

Product Lifecycle

Not recommended for new designs, suggesting a phase-out status with potential replacements or upgrades to be considered

Several Key Reasons to Choose This Product

Stable and reliable performance in a compact 8-SOIC package

Low quiescent current favourable for power-sensitive applications

High PSRR making it ideal for noise-sensitive circuits

Integrated safety features ensure long-term reliability

Readily available support and documentation from Texas Instruments

Not recommended for new designs, ensuring availability of more modern and enhanced alternatives if future upgrade required