VT1045CHM3/4W

Introduction

The VT1045CHM3/4W is a versatile electronic component that belongs to the category of voltage regulators. This device is commonly used in various electronic applications to regulate and stabilize voltage levels, ensuring consistent and reliable performance of connected circuits and components.

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, TO-252
• Essence: Ensures stable and consistent voltage supply
• Packaging/Quantity: Typically available in reels or tubes, quantity varies based on supplier

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 1.25V to 16V
• Output Current: Up to 1A
• Dropout Voltage: 0.5V at 1A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The VT1045CHM3/4W features a standard pin configuration with input, output, and ground pins. The specific pinout details can be found in the manufacturer's datasheet.

Functional Features

• Voltage Regulation: Maintains a stable output voltage despite fluctuations in the input voltage.
• Thermal Shutdown Protection: Automatically shuts down the regulator in case of excessive temperature, preventing damage to the device.
• Low Dropout Voltage: Minimizes power loss and heat dissipation, improving overall efficiency.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Thermal protection for enhanced reliability
• Low dropout voltage for improved efficiency

Disadvantages

• Limited maximum output current compared to higher-rated regulators
• May require additional heat sinking for high-power applications

Working Principles

The VT1045CHM3/4W operates based on the principle of feedback control, where it continuously compares the output voltage to a reference voltage and adjusts its internal circuitry to maintain the desired output level. Additionally, the thermal shutdown feature ensures safe operation by monitoring the device's temperature and taking protective measures when necessary.

Detailed Application Field Plans

The VT1045CHM3/4W finds extensive use in various electronic devices and systems, including: - Battery-powered devices - Portable electronics - Automotive applications - Industrial control systems

Detailed and Complete Alternative Models

• LM317: A widely used adjustable voltage regulator with similar characteristics
• L78xx Series: Fixed output voltage regulators available in various voltage options
• LT1086: High-current, adjustable voltage regulator suitable for demanding applications

In conclusion, the VT1045CHM3/4W serves as a reliable voltage regulator with precise control and protective features, making it an essential component in numerous electronic applications.

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