SPXI03.5L Product Overview

Introduction

The SPXI03.5L 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 a comprehensive overview of the SPXI03.5L, 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: To regulate and stabilize voltage in electronic devices and systems
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220, TO-252, TO-263
• Essence: Regulating voltage to ensure stable operation of electronic components
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on package type

Specifications

• Input Voltage Range: 4V to 28V
• Output Voltage Range: 1.25V to 20V
• Output Current: 3.5A
• Dropout Voltage: 0.6V at 3.5A
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: 0.2% typical
• Load Regulation: 0.4% typical

Detailed Pin Configuration

The SPXI03.5L has a standard pin configuration with input, output, and ground pins. The pinout configuration is as follows: - Pin 1: Input Voltage (VIN) - Pin 2: Ground (GND) - Pin 3: Output Voltage (VOUT)

Functional Features

• High Precision: Provides accurate and stable output voltage regulation
• Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the output voltage
• Thermal Shutdown Protection: Protects 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 output current compared to higher-rated regulators

Working Principles

The SPXI03.5L operates based on the principle of feedback control, where it compares the actual output voltage to a reference voltage and adjusts the internal circuitry to maintain the desired output voltage. It utilizes a series pass element and feedback network to achieve precise voltage regulation.

Detailed Application Field Plans

The SPXI03.5L is commonly used in various 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 the SPXI03.5L include: - LM317: A popular adjustable voltage regulator with similar characteristics - L78xx Series: Fixed voltage regulators available in various output voltage options - LT1083: High-current adjustable voltage regulator suitable for demanding applications

In conclusion, the SPXI03.5L is a reliable voltage regulator with precise regulation, thermal protection, and wide application versatility. While it may have limitations in terms of dropout voltage and output current compared to some alternatives, it remains a popular choice for many electronic designs.

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