FAN1084DX

Product Overview

The FAN1084DX is a voltage regulator belonging to the category of linear regulators. It is commonly used to provide a stable and regulated output voltage for various electronic devices. The characteristics of the FAN1084DX include its high accuracy, low dropout voltage, and thermal shutdown protection. This product is typically available in a TO-252 package and is essential for maintaining consistent power supply in electronic circuits.

Package and Quantity

The FAN1084DX is usually packaged in a TO-252 package and is available in varying quantities depending on the supplier and customer requirements.

Specifications

• Input Voltage Range: 4.5V to 25V
• Output Voltage Range: 1.25V to 20V
• Dropout Voltage: 1.3V at 5A
• Maximum Output Current: 5A
• Line Regulation: 0.015% (Typical)
• Load Regulation: 0.1% (Typical)

Detailed Pin Configuration

The FAN1084DX has the following pin configuration: 1. Input: Connects to the input voltage source. 2. Ground: Connected to the ground reference. 3. Output: Provides the regulated output voltage.

Functional Features

• High Accuracy: The FAN1084DX offers precise voltage regulation, ensuring stable performance of connected devices.
• Low Dropout Voltage: This feature allows the regulator to maintain regulation even when the input voltage is only slightly higher than the output voltage.
• Thermal Shutdown Protection: Protects the device from overheating by shutting down the regulator when it exceeds safe operating temperatures.

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low dropout voltage
• Thermal shutdown protection
• Wide input voltage range

Disadvantages

• Higher power dissipation compared to switching regulators
• Limited efficiency for high voltage differentials

Working Principles

The FAN1084DX operates based on the principle of linear regulation. It uses a pass transistor to control the output voltage by dissipating excess power as heat. When the input voltage fluctuates, the regulator adjusts the pass transistor to maintain a constant output voltage.

Detailed Application Field Plans

The FAN1084DX finds applications in various fields such as: - Power supply units for consumer electronics - Industrial automation systems - Automotive electronics - Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models to the FAN1084DX include: - LM317: A widely used adjustable linear voltage regulator with similar specifications. - L78xx Series: Fixed voltage regulators available in various output voltage options.

In conclusion, the FAN1084DX is a reliable voltage regulator with high accuracy and stability, making it suitable for a wide range of electronic applications.

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