X4645V8-2.7A

Basic Information Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High Efficiency, Low Dropout, Adjustable Output
Package: TO-220
Essence: Regulates voltage to a desired level
Packaging/Quantity: Bulk packaging, 100 units per box

Specifications

• Input Voltage Range: 4.5V - 18V
• Output Voltage Range: 1.25V - 15V
• Output Current: 2.7A
• Dropout Voltage: 0.3V @ 2.7A
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The X4645V8-2.7A has three pins:

1. Input (VIN): Connects to the input voltage source.
2. Output (VOUT): Provides the regulated output voltage.
3. Ground (GND): Common ground reference for the component.

Functional Features

• High efficiency conversion of input voltage to regulated output voltage.
• Low dropout voltage ensures stable operation even with low input voltages.
• Adjustable output voltage allows customization for specific applications.
• Overcurrent and thermal protection safeguards the component from damage.
• Fast transient response enables quick adaptation to load changes.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power dissipation. - Wide input voltage range accommodates various power sources. - Adjustable output voltage provides flexibility for different applications. - Robust protection features enhance reliability and durability. - Compact TO-220 package facilitates easy integration into circuit designs.

Disadvantages: - Dropout voltage may limit performance in low voltage applications. - Heat dissipation may be required for high current applications. - Limited output current compared to some other voltage regulators.

Working Principles

The X4645V8-2.7A is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage derived from the output. The pass transistor adjusts its resistance to maintain a stable output voltage despite variations in input voltage and load conditions. This regulation process ensures a constant and reliable output voltage for connected devices.

Detailed Application Field Plans

The X4645V8-2.7A finds extensive use in various electronic systems, including:

1. Power Supplies: Provides regulated voltage for microcontrollers, sensors, and other components in power supply circuits.
2. Automotive Electronics: Used in automotive applications such as engine control units (ECUs), infotainment systems, and lighting modules.
3. Industrial Control Systems: Enables stable voltage supply for PLCs (Programmable Logic Controllers), motor drives, and industrial automation equipment.
4. Consumer Electronics: Suitable for portable devices, battery chargers, audio amplifiers, and other consumer electronic products.
5. Telecommunications: Used in telecom infrastructure equipment, routers, switches, and network devices to ensure stable voltage levels.

Detailed and Complete Alternative Models

1. LM317T: Adjustable Voltage Regulator, TO-220 package, 1.2V - 37V output range, 1.5A output current.
2. LT1084CP-5: Fixed Voltage Regulator, TO-220 package, 5V output, 5A output current.
3. LM7805: Fixed Voltage Regulator, TO-220 package, 5V output, 1A output current.
4. L78M05CV: Fixed Voltage Regulator, TO-220 package, 5V output, 0.5A output current.
5. LM1117-3.3: Fixed Voltage Regulator, TO-220 package, 3.3V output, 0.8A output current.

These alternative models offer different specifications and features to suit various voltage regulation requirements.

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