BU4927FVE-TR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Wide input voltage range - Thermal shutdown protection - Overcurrent protection - Short-circuit protection

Package: TO-252-5L (DPAK)

Essence: The BU4927FVE-TR is a voltage regulator IC designed to provide a stable output voltage from a varying input voltage source.

Packaging/Quantity: The BU4927FVE-TR is available in tape and reel packaging, with 2,500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 1.2V to 15V
• Dropout Voltage: 0.3V at 1A
• Output Current: Up to 1.5A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The BU4927FVE-TR has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. VOUT (Output Voltage)
5. EN (Enable)

Functional Features

• Low Dropout Voltage: The BU4927FVE-TR exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 1.5A, this voltage regulator can handle high load currents.
• Wide Input Voltage Range: The IC can operate within a wide input voltage range of 4.5V to 18V, making it suitable for various applications.
• Thermal Shutdown Protection: The BU4927FVE-TR incorporates thermal shutdown protection, which prevents the IC from overheating and ensures safe operation.
• Overcurrent Protection: It features overcurrent protection, safeguarding the IC and the connected circuitry from excessive current flow.
• Short-Circuit Protection: The voltage regulator is equipped with short-circuit protection, preventing damage in case of a short circuit.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for demanding applications - Wide input voltage range allows versatility - Built-in thermal shutdown, overcurrent, and short-circuit protection enhance safety

Disadvantages: - None reported

Working Principles

The BU4927FVE-TR operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the reference voltage and the feedback voltage. By adjusting the resistance between the feedback pin and ground, the desired output voltage can be set.

Detailed Application Field Plans

The BU4927FVE-TR is commonly used in various electronic devices and systems that require stable and regulated power supply voltages. Some typical application fields include: - Consumer electronics - Automotive electronics - Industrial equipment - Telecommunications - Power management systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the BU4927FVE-TR are: - LM1117-ADJ - LT1086-5 - TPS7A4700

These alternatives can be considered based on specific requirements and compatibility with the target application.

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