3EZ91DE3/TR8 Product Overview

Introduction

The 3EZ91DE3/TR8 is a versatile electronic component that belongs to the category of voltage regulators. This entry provides an in-depth overview of 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: Regulating voltage in electronic circuits
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220, TO-252, SOT-223
• Essence: Stabilizing voltage output
• Packaging/Quantity: Typically available in reels or tubes containing varying quantities based on manufacturer specifications

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.2V to 20V
• Output Current: Up to 3A
• Dropout Voltage: Typically 0.6V at full load
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: ±1%
• Load Regulation: ±1.2%

Detailed Pin Configuration

The 3EZ91DE3/TR8 typically features 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 with small voltage differentials
• Thermal Shutdown Protection: Safeguards the device from overheating, enhancing reliability

Advantages and Disadvantages

Advantages

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

Disadvantages

• Higher dropout voltage compared to some alternative models
• Limited maximum output current

Working Principles

The 3EZ91DE3/TR8 operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a constant output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The 3EZ91DE3/TR8 finds extensive use in various applications, including: - Power supplies for consumer electronics - Automotive electronics - Industrial control systems - Battery-powered devices - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models to consider include: - LM317: A popular adjustable linear voltage regulator - LM7805: Fixed 5V regulator widely used in electronic circuits - LT1083: High-current adjustable voltage regulator suitable for power supply applications

In conclusion, the 3EZ91DE3/TR8 offers precise voltage regulation and thermal protection, making it suitable for diverse electronic applications. Understanding its specifications, pin configuration, functional features, and alternative models is crucial for effective utilization in electronic designs.

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