RV391K05T Product Overview

Introduction

The RV391K05T is a versatile electronic component that belongs to the category of voltage regulators. This device is commonly used in various electronic circuits to maintain a stable output voltage, making it an essential component in power supply designs.

Basic Information Overview

• Category: Voltage Regulator
• Use: Maintaining stable output voltage in electronic circuits
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220, TO-263, SOT-223
• Essence: Ensures consistent and reliable power supply in electronic devices
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.25V to 20V
• Output Current: Up to 1.5A
• Dropout Voltage: 0.3V at 1A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The RV391K05T typically features 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: Minimizes power loss and improves efficiency
• Thermal Shutdown Protection: Safeguards the device from overheating

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited maximum output current
• Higher dropout voltage compared to some alternatives

Working Principles

The RV391K05T operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a constant output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The RV391K05T finds extensive use in various applications, including: - Battery-powered devices - Embedded systems - Consumer electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the RV391K05T include: - LM317: A popular adjustable voltage regulator with similar characteristics - L78xx Series: Fixed output voltage regulators available in various voltage options - LT1086: Low dropout positive voltage regulator with higher output current capability

In conclusion, the RV391K05T voltage regulator offers precise and reliable voltage regulation, making it a crucial component in numerous electronic applications.

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