AP139-30WG-7 Product Overview

Introduction

AP139-30WG-7 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, making it an essential component in modern electronic applications.

Basic Information Overview

• Category: Voltage Regulator
• Use: To regulate and stabilize voltage in electronic circuits and systems
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220
• Essence: Ensures stable and regulated power supply
• Packaging/Quantity: Typically packaged in reels or tubes, quantity varies based on manufacturer's specifications

Specifications

• Input Voltage Range: 4.5V to 30V
• Output Voltage Range: 1.25V to 28V
• Output Current: Up to 3A
• Dropout Voltage: 0.5V at 3A
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: 0.2%
• Load Regulation: 0.4%

Detailed Pin Configuration

The AP139-30WG-7 typically features the following pin configuration: 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 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
• Limited maximum output current compared to higher-rated regulators

Working Principles

The AP139-30WG-7 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. The internal circuitry ensures precise regulation while the thermal shutdown feature protects the device from excessive heat.

Detailed Application Field Plans

The AP139-30WG-7 finds extensive use in various electronic applications, including: - Power supplies for consumer electronics - Automotive electronics - Industrial control systems - Battery charging circuits - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models to AP139-30WG-7 include: - LM317: A popular adjustable voltage regulator with similar characteristics - L7805: Fixed 5V voltage regulator suitable for lower power applications - LT1086: High-current adjustable voltage regulator with low dropout voltage

In conclusion, the AP139-30WG-7 is a reliable voltage regulator with precise regulation and thermal protection, making it suitable for a wide range of electronic applications.

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