BU4327FVE-TR

Product Overview

Category: Integrated Circuit (IC)

Use: The BU4327FVE-TR is a specialized integrated circuit designed for use in electronic devices and systems. It serves as a voltage regulator, providing stable and regulated power supply to various components within a circuit.

Characteristics: - Voltage regulation - High efficiency - Low power consumption - Compact size - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: The BU4327FVE-TR is available in a small surface mount package, which allows for easy integration onto printed circuit boards (PCBs) and other electronic assemblies.

Essence: The essence of the BU4327FVE-TR lies in its ability to regulate voltage levels, ensuring that electronic devices receive a consistent and reliable power supply. This is crucial for the proper functioning and longevity of electronic components.

Packaging/Quantity: The BU4327FVE-TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V - 40V
• Output Voltage Range: 1.2V - 37V
• Output Current: Up to 3A
• Dropout Voltage: 0.6V (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The BU4327FVE-TR features a standard pin configuration with the following pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. ADJ: Adjustable pin for setting output voltage

Functional Features

• Voltage Regulation: The BU4327FVE-TR ensures a stable output voltage regardless of fluctuations in the input voltage.
• Overcurrent Protection: It incorporates overcurrent protection to safeguard connected devices from excessive current flow.
• Thermal Shutdown Protection: The IC includes thermal shutdown protection, which activates when the temperature exceeds a certain threshold, preventing damage due to overheating.
• Wide Input Voltage Range: The device can handle a wide range of input voltages, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - Provides stable and regulated power supply - High efficiency and low power consumption - Compact size for easy integration - Overcurrent and thermal protection features ensure safety - Wide input voltage range allows for versatile use

Disadvantages: - Limited output current capacity (up to 3A) - Dropout voltage may cause slight power loss

Working Principles

The BU4327FVE-TR operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. This is achieved through the use of a voltage reference, error amplifier, and feedback loop.

Detailed Application Field Plans

The BU4327FVE-TR finds application in various electronic devices and systems that require stable and regulated power supply. Some common application fields include: - Consumer electronics - Automotive electronics - Industrial automation - Telecommunications - Medical devices

Detailed and Complete Alternative Models

1. LM317: A widely used adjustable voltage regulator with similar characteristics and functionality.
2. LT1084: Offers higher output current capability and lower dropout voltage compared to the BU4327FVE-TR.
3. LM7805: Fixed voltage regulator commonly used for providing a regulated 5V output.

These alternative models provide options with varying specifications and features, allowing designers to choose the most suitable voltage regulator for their specific requirements.

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