LELK1-31818-5 Product Overview

Introduction

The LELK1-31818-5 is a versatile electronic component that belongs to the category of voltage regulators. This product is widely used in various electronic devices and systems to ensure stable and regulated power supply. In this entry, we will provide an in-depth overview of the LELK1-31818-5, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Voltage Regulator
• Use: To regulate and stabilize voltage in electronic devices and systems
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220, TO-263, D2PAK
• Essence: Ensures stable and regulated power supply
• Packaging/Quantity: Typically available in reels or tubes containing 100 to 1000 units

Specifications

• Input Voltage: 4.5V to 28V
• Output Voltage: 1.25V to 20V
• Output Current: Up to 3A
• Dropout Voltage: 0.6V at 3A
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: 0.02% typical
• Load Regulation: 0.1% typical

Detailed Pin Configuration

The LELK1-31818-5 typically consists of three pins: 1. Input (VIN): Connects to the input voltage source 2. Ground (GND): Connected to the ground reference 3. Output (VOUT): Provides the regulated output voltage

Functional Features

• High Precision: Provides accurate and stable output voltage regulation
• Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the output voltage
• Thermal Shutdown Protection: Safeguards the regulator from overheating, enhancing reliability

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Wide input voltage range
• Thermal protection for enhanced safety

Disadvantages

• Higher dropout voltage compared to some alternative models
• Sensitive to external noise and fluctuations

Working Principles

The LELK1-31818-5 operates based on the principle of feedback control. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The LELK1-31818-5 finds extensive applications in various electronic systems, including: - Power supplies for consumer electronics - Industrial automation equipment - Automotive electronics - Telecommunication systems - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the LELK1-31818-5 include: - LM317: A popular adjustable linear voltage regulator - LT1083: High current positive voltage regulator - LM7805: Fixed 5V linear voltage regulator - LM1117: Low dropout voltage regulator

In conclusion, the LELK1-31818-5 is a reliable voltage regulator with precise regulation, making it suitable for a wide range of electronic applications.

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