UP0421300L Product Overview

Introduction

The UP0421300L is a versatile electronic component that belongs to the category of voltage regulators. This product is commonly used in various electronic devices and systems to regulate voltage levels, ensuring stable and reliable operation.

Basic Information Overview

• Category: Voltage Regulator
• Use: To regulate voltage levels in electronic devices and systems
• Characteristics: Stable voltage output, compact design, efficient performance
• Package: Small form factor, suitable for integration into various electronic applications
• Essence: Ensures consistent and regulated voltage supply
• Packaging/Quantity: Typically available in small quantities for individual or small-scale projects

Specifications

The UP0421300L voltage regulator features the following specifications: - Input Voltage Range: 4V to 28V - Output Voltage Range: 1.25V to 20V - Maximum Output Current: 3A - Dropout Voltage: 0.6V - Operating Temperature Range: -40°C to 125°C - Package Type: TO-220

Detailed Pin Configuration

The UP0421300L voltage regulator 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

• Voltage Regulation: The UP0421300L effectively regulates the input voltage to provide a stable output voltage, ensuring consistent performance of connected electronic components.
• Overcurrent Protection: It includes built-in overcurrent protection to safeguard the connected circuitry from excessive current flow.

Advantages and Disadvantages

Advantages

• Compact size for easy integration into various electronic designs
• Wide input voltage range allows for versatile application
• Overcurrent protection enhances system reliability

Disadvantages

• Limited maximum output current compared to higher-rated regulators
• Dropout voltage may impact efficiency in low-voltage applications

Working Principles

The UP0421300L operates based on the principle of feedback control, where it continuously monitors the output voltage and adjusts the internal circuitry to maintain the desired voltage level. By comparing the actual output voltage with a reference voltage, the regulator makes real-time adjustments to ensure stability.

Detailed Application Field Plans

The UP0421300L finds extensive use in the following application fields: - Consumer Electronics: Power supplies for audio amplifiers, LED lighting systems, and portable devices - Automotive Electronics: Voltage regulation in automotive infotainment systems and onboard electronics - Industrial Control Systems: Regulating voltage for sensors, actuators, and control modules

Detailed and Complete Alternative Models

For applications requiring different specifications or performance characteristics, alternative models to consider include: - LM317: A widely used adjustable voltage regulator with similar pin configuration and functionality - L7805: Fixed 5V voltage regulator suitable for low-power applications - LM2940: Low dropout voltage regulator for battery-powered devices

In conclusion, the UP0421300L voltage regulator offers a reliable solution for maintaining stable voltage levels in diverse electronic applications, despite its limitations in maximum output current and dropout voltage. Its compact design, wide input voltage range, and overcurrent protection make it a valuable component in various industries, including consumer electronics, automotive, and industrial control systems.

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