DL4743A-TP Product Overview

Introduction

The DL4743A-TP 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 DL4743A-TP, 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: Ensuring stable and regulated power supply in electronic devices and systems
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220
• Essence: Regulating voltage to a specific level
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage: 3.3V
• Output Current: Up to 1A
• Dropout Voltage: 0.6V at 1A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The DL4743A-TP typically has 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: Minimizes power loss and heat dissipation
• Thermal Shutdown Protection: Safeguards the device from overheating

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Low dropout voltage
• Thermal protection for enhanced safety

Disadvantages

• Limited maximum output current compared to higher-rated regulators
• Requires careful heat dissipation management in high-power applications

Working Principles

The DL4743A-TP operates by comparing the actual output voltage with a reference voltage and adjusting the internal circuitry to maintain a constant output voltage despite variations in the input voltage and load conditions. The thermal shutdown feature ensures that the device shuts down if the temperature exceeds safe limits, protecting it from damage.

Detailed Application Field Plans

The DL4743A-TP finds extensive use in various applications, including: - Battery-powered devices - Embedded systems - Consumer electronics - Industrial automation

Detailed and Complete Alternative Models

Some alternative models to the DL4743A-TP include: - LM317: A popular adjustable voltage regulator - L7805CV: Fixed 5V voltage regulator - LM1117: Low dropout voltage regulator

In conclusion, the DL4743A-TP is a reliable voltage regulator with precise regulation, low dropout voltage, and thermal protection features. Its application spans across diverse electronic systems and devices, making it an essential component in ensuring stable and regulated power supply.

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