ST2R018B Product Overview

Introduction

ST2R018B 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. The following entry provides an in-depth overview of ST2R018B, 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: Ensuring stable and regulated power supply in electronic devices and systems
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-252-3 (DPAK)
• Essence: Regulating voltage to maintain consistent power output
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 1.8V
• Output Current: Up to 2A
• Dropout Voltage: 0.25V at 2A
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 75µA

Detailed Pin Configuration

ST2R018B features a standard three-pin configuration: 1. Pin 1 (VIN): Input voltage 2. Pin 2 (GND): Ground 3. Pin 3 (VOUT): Regulated output voltage

Functional Features

• High Precision: Provides accurate and stable output voltage regulation
• Low Dropout Voltage: Minimizes power loss and heat dissipation
• Thermal Shutdown Protection: Safeguards the device from overheating

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Low dropout voltage
• Thermal protection for enhanced safety

Disadvantages

• Sensitive to input voltage fluctuations
• May require additional circuitry for specific applications

Working Principles

ST2R018B operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain the desired output voltage. It utilizes feedback control to continuously monitor and regulate the output voltage, ensuring stability under varying load conditions.

Detailed Application Field Plans

ST2R018B finds extensive application in various electronic systems, including: - Power supplies for consumer electronics - Automotive electronics - Industrial control systems - Battery-powered devices - LED lighting systems

Detailed and Complete Alternative Models

Several alternative models with similar functionalities and specifications are available in the market, including: - LM317 - LM1117 - L78xx series - LT1086

In conclusion, ST2R018B is a reliable voltage regulator with precise regulation capabilities, making it suitable for diverse electronic applications. Its high precision, low dropout voltage, and thermal protection features contribute to its widespread use in different industries.

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