APL502LG Product Overview

Introduction

The APL502LG is a versatile integrated circuit that belongs to the category of voltage regulators. This entry provides a comprehensive overview of the APL502LG, 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: The APL502LG is primarily used for regulating voltage in electronic circuits, ensuring a stable output voltage regardless of input fluctuations.
• Characteristics: It exhibits high efficiency, low dropout voltage, and thermal shutdown protection.
• Package: The APL502LG is available in a compact and heat-dissipating TO-220 package.
• Essence: Its essence lies in providing reliable voltage regulation for various electronic applications.
• Packaging/Quantity: Typically packaged individually, the APL502LG is available in reels or tubes containing multiple units.

Specifications

The APL502LG features the following specifications: - Input Voltage Range: 2.5V to 6.0V - Output Voltage Range: 1.2V to 5.5V - Maximum Output Current: 500mA - Dropout Voltage: 300mV at 100mA - Quiescent Current: 75µA - Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The APL502LG has a standard 3-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 Efficiency: The APL502LG offers high efficiency, minimizing power dissipation and maximizing battery life in portable devices.
• Low Dropout Voltage: With a low dropout voltage, it can maintain regulation even when the input voltage approaches the output voltage.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Compact size
• Wide input voltage range
• Low quiescent current
• Thermal shutdown protection

Disadvantages

• Limited maximum output current
• Restricted output voltage range

Working Principles

The APL502LG operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a constant output voltage, compensating for variations in the input voltage and load conditions.

Detailed Application Field Plans

The APL502LG finds extensive use in various applications, including: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the APL502LG include: - APL1084 - LM317 - LT1763

In conclusion, the APL502LG is a reliable voltage regulator with a wide range of applications, offering high efficiency and thermal protection. Its compact size and low dropout voltage make it suitable for diverse electronic designs.

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