LM340K-5.0 - Texas Instruments

Manufacturer Part Number

LM340K-5.0

Manufacturer

Texas Instruments

Introduction

The LM340K-5.0 is a fixed output, three-terminal positive voltage regulator from Texas Instruments, designed to provide 5V DC output with reliable performance.

Product Features and Performance

Positive Fixed Voltage Regulator

5V Output Voltage

5A Output Current Capability

Low Dropout Voltage: 2V Max at 1A Load

Power Supply Rejection Ratio (PSRR): 70dB at 120Hz

Simple Design with Minimal External Components

Product Advantages

Highly Stable 5V Output Supply

Able to Sustain 1.5A Current for High Load Conditions

Operational up to 35V Input Voltage for Versatile Use

Protection Against Overcurrent and Short Circuit Events

Wide Operating Temperature Range from 0°C to 125°C

Key Technical Parameters

Voltage - Input (Max): 35V

Voltage - Output (Min/Fixed): 5V

Current - Output: 1.5A

Current - Quiescent (Iq): 6mA

Voltage Dropout (Max): 2V @ 1A

PSRR: 70dB (120Hz)

Quality and Safety Features

Built-In Over Current Protection

Short Circuit Protection Mechanism

Compatibility

Through Hole Mounting Style for Broad PCB Compatibility

Standard TO-3 Package Compatible with Various Circuit Designs

Application Areas

Consumer Electronics

Industrial Controls

Power Management Systems

Automotive Electronics

Telecommunications

Product Lifecycle

Active Status, not Nearing Discontinuation

Replacements or Upgrades may be offered through Other Regulators in Texas Instruments Portfolio

Several Key Reasons to Choose This Product

Stable Voltage Regulation Essential for Sensitive Electronics

High Reliability and Robustness Under Variable Load Conditions

Texas Instruments' Reputation for High-Quality Components

Suitability for Multiple Applications across Various Industries

Long-Term Availability Ensures Sustainable Supply for Production Needs