3EZ47DE3/TR12 Product Overview

Introduction

The 3EZ47DE3/TR12 is a semiconductor product that belongs to the category of voltage regulators. This entry provides an 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: The 3EZ47DE3/TR12 is used to regulate voltage in electronic circuits, ensuring a stable output voltage despite fluctuations in input voltage or load conditions.
• Characteristics: It exhibits high precision, low dropout voltage, and thermal shutdown protection.
• Package: The product is available in a TO-220 package.
• Essence: Its essence lies in providing reliable voltage regulation for various electronic applications.
• Packaging/Quantity: Typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 2.5V to 37V
• Output Current: Up to 1.5A
• Dropout Voltage: 1.5V at 1A
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: 0.01% per V
• Load Regulation: 0.1% per A

Detailed Pin Configuration

The 3EZ47DE3/TR12 typically consists of three pins: 1. Input (VIN): Connects to the unregulated input voltage. 2. Ground (GND): Serves as the reference ground for the regulator. 3. Output (VOUT): Provides the regulated output voltage.

Functional Features

• Voltage Regulation: Maintains a stable output voltage despite variations in input voltage or load conditions.
• Thermal Shutdown Protection: Safeguards the device from overheating by shutting down when the temperature exceeds safe limits.

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Low dropout voltage
• Thermal shutdown protection
• Wide input voltage range

Disadvantages

• Limited maximum output current
• Higher cost compared to basic linear regulators

Working Principles

The 3EZ47DE3/TR12 operates based on the principle of feedback control, where it compares the actual output voltage to a reference voltage and adjusts the output to maintain a constant voltage level.

Detailed Application Field Plans

The 3EZ47DE3/TR12 finds extensive use in various electronic applications, including: - Power supplies - Battery charging circuits - Automotive electronics - Industrial control systems - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models to the 3EZ47DE3/TR12 include: - LM317: A widely used adjustable positive voltage regulator. - LM7805: A fixed 5V voltage regulator commonly used in electronic circuits. - LT1083: A high current positive voltage regulator with adjustable output.

In conclusion, the 3EZ47DE3/TR12 offers precise voltage regulation and thermal protection, making it suitable for diverse electronic applications. While it has limitations in terms of maximum output current and cost, its performance and reliability make it a preferred choice in many designs.

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