LP3874EMP-3.3 - Texas Instruments

Manufacturer Part Number

LP3874EMP-3.3

Manufacturer

Texas Instruments

Introduction

The LP3874EMP-3.3 is a low dropout linear regulator designed to provide stable output with low dropout voltage and high output current efficiency.

Product Features and Performance

Fixed output voltage of 3.3V

Maximum input voltage of 7V

Low dropout voltage of 0.35V at 800mA load

Output current up to 800mA

Quiescent current of 9 mA

Maximum supply current of 15 mA

Power Supply Rejection Ratio (PSRR) ranges from 73dB to 57dB at 120Hz

Operating temperature from -40°C to 125°C

Product Advantages

High efficiency for battery-powered devices

Low quiescent current enhances battery life

Suitable for a wide range of operating temperatures

Compact SOT-223-5 package

Key Technical Parameters

Dropout Voltage: 0.35V @ 800mA

Output Current: 800mA

PSRR: 73dB ~ 57dB (120Hz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Short circuit protection

Compatibility

Compatible with a variety of circuits requiring a 3.3V fixed output at up to 800mA

Application Areas

Consumer electronics

Portable devices

IoT devices

Power management solutions

Product Lifecycle

Product Status: Last Time Buy

Not recommended for new designs

Check for available replacement or upgrade options

Several Key Reasons to Choose This Product

Reliable performance with built-in protection features

Low dropout voltage ideal for stable operations

Wide operating temperature range suitable for harsh environments

Low quiescent current aids in extending battery life in portable applications

Compact package suitable for space-constrained applications