LP3984IMFX-1.8 - Texas Instruments

Manufacturer Part Number

LP3984IMFX-1.8

Manufacturer

Texas Instruments

Introduction

The LP3984IMFX-1.8 is a low drop-out (LDO) regulator designed for power-sensitive applications, providing a fixed output of 1.8V from a maximum input of 6V.

Product Features and Performance

Fixed output voltage of 1.8V

Low dropout voltage of 0.12V at 150mA output

Output current up to 150mA

Low quiescent current of 125 µA

High PSRR of 60dB at 1kHz diminishing to 40dB at 10kHz

Over temperature and short circuit protection

Enable pin for on/off control

Product Advantages

High efficiency for power-sensitive applications due to low dropout

Extended battery life with low quiescent current

High PSRR ensures stable output under varying input conditions

Robust protection features for enhanced safety and reliability

Key Technical Parameters

Voltage - Input (Max): 6V

Voltage - Output (Min/Fixed): 1.8V

Voltage Dropout (Max): 0.12V @ 150mA

Current - Output: 150mA

Current - Quiescent (Iq): 125 µA

PSRR: 60dB ~ 40dB (1kHz ~ 10kHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Temperature Protection

Short Circuit Protection

Compatibility

Suitable for surface mount technology with SOT-23-5 packaging

Application Areas

Ideal for battery-powered devices

Portable electronics

Healthcare devices

IoT devices

Product Lifecycle

Obsolete - Consider planning for replacement or upgrades

Several Key Reasons to Choose This Product

High efficiency and low dropout for energy-sensitive applications

Suitable for a wide range of operating temperatures, ensuring reliability in diverse environments

Low quiescent current optimizes battery life, crucial for portable applications

Comprehensive protection features provide peace of mind against system failures

Compact size suitable for space-constrained applications