VS-45LR40 Product Overview

Introduction

The VS-45LR40 is a versatile electronic component that belongs to the category of voltage regulators. This product is commonly used in various electronic devices to regulate and stabilize voltage levels, ensuring consistent and reliable performance.

Basic Information Overview

• Category: Voltage Regulator
• Use: Stabilizing and regulating voltage levels in electronic circuits
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220
• Essence: Ensuring stable and consistent voltage supply
• Packaging/Quantity: Typically sold in reels or tubes containing multiple units

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Maximum Output Current: 1.5A
• Dropout Voltage: 1.5V at 1A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The VS-45LR40 features a standard TO-220 package with 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: Safeguards the regulator from overheating, enhancing reliability

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Wide input voltage range
• Thermal protection for enhanced durability

Disadvantages

• Limited maximum output current compared to higher-rated models
• Higher dropout voltage than some competing models

Working Principles

The VS-45LR40 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 level. It utilizes a combination of semiconductor devices and passive components to achieve precise voltage regulation.

Detailed Application Field Plans

The VS-45LR40 finds extensive application in various electronic systems, including: - Power supplies - Battery charging circuits - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• LM317: Offers similar voltage regulation capabilities with adjustable output
• L78xx Series: Fixed voltage regulators with varying output voltage options
• LT1086: High-current, low-dropout voltage regulator suitable for demanding applications

In conclusion, the VS-45LR40 stands as a reliable voltage regulator with a wide range of applications, offering precise regulation and thermal protection. While it may have limitations in terms of maximum output current and dropout voltage, its performance and versatility make it a valuable component in numerous electronic systems.

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