QJ4004V3TP Product Overview

Introduction

The QJ4004V3TP is a versatile electronic component that belongs to the category of voltage regulators. This product is commonly used in various electronic devices to regulate and stabilize voltage levels, ensuring consistent and reliable performance.

Basic Information Overview

• Category: Voltage Regulator
• Use: Stabilizing and regulating voltage levels in electronic circuits
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220, TO-263, D2PAK
• Essence: Ensures stable voltage supply to sensitive electronic components
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.25V to 20V
• Output Current: Up to 1.5A
• Dropout Voltage: 0.5V at 1A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The QJ4004V3TP 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: Minimizes power loss and heat dissipation
• Thermal Shutdown Protection: Safeguards the device from overheating

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited maximum output current compared to higher-rated regulators
• May require additional heat sinking for high-power applications

Working Principles

The QJ4004V3TP operates by comparing the actual output voltage to a reference voltage and adjusting the internal circuitry to maintain a constant output voltage despite changes in the input voltage or load conditions. The device utilizes feedback control to achieve precise regulation.

Detailed Application Field Plans

The QJ4004V3TP finds extensive use in various applications, including: - Power supplies for consumer electronics - Battery-powered devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• LM317: A widely used adjustable voltage regulator with similar characteristics
• LM7805: Fixed 5V voltage regulator suitable for many applications
• LM1117: Low dropout voltage regulator offering efficient power management

In conclusion, the QJ4004V3TP voltage regulator offers reliable and precise voltage regulation, making it an essential component in numerous electronic devices across diverse industries.

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