LR250303SR Product Overview

Introduction

LR250303SR 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 an overview of LR250303SR, 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: Integrated circuit voltage regulator
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Output Current: Up to 3A
• Dropout Voltage: 1.5V at 3A
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: 0.2%
• Load Regulation: 0.4%

Detailed Pin Configuration

The LR250303SR typically has 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: Ensures efficient operation even when the input voltage is close to the output voltage
• Thermal Shutdown Protection: Protects the device from overheating by shutting down when the temperature exceeds the specified limit

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
• Sensitive to external noise and fluctuations

Working Principles

LR250303SR 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 regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

LR250303SR finds extensive applications in various electronic systems, including: - Power supplies for industrial equipment - Automotive electronics - Battery charging circuits - Audio amplifiers - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models to LR250303SR include: - LM317: A popular adjustable linear voltage regulator - LM7805: Fixed 5V voltage regulator - LT1083: High current adjustable voltage regulator

In conclusion, LR250303SR is a reliable and versatile voltage regulator with precise regulation capabilities, making it suitable for a wide range of electronic applications.

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