X4043S8I-4.5A

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: S8I (Surface Mount)
• Essence: Regulates voltage to provide a stable output
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.25V to 5.5V
• Maximum Output Current: 4.5A
• Dropout Voltage: 300mV at 4.5A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The X4043S8I-4.5A IC has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VIN | Input Voltage | | 2 | GND | Ground | | 3 | VOUT | Output Voltage | | 4 | ADJ | Adjust Pin for Output Voltage |

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High current capability allows for powering demanding loads.
• Adjustable output voltage provides flexibility in various applications.
• Built-in thermal shutdown protection prevents overheating.

Advantages

• Wide input voltage range enables compatibility with different power sources.
• High output current capability suits power-hungry devices.
• Adjustable output voltage allows customization for specific requirements.
• Low dropout voltage minimizes power dissipation and enhances efficiency.
• Thermal shutdown protection safeguards against excessive heat.

Disadvantages

• The S8I package may require surface mount soldering expertise.
• The high output current may necessitate additional heat dissipation measures.

Working Principles

The X4043S8I-4.5A is a voltage regulator IC that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes a feedback mechanism to adjust the internal pass transistor, ensuring the desired output voltage is maintained. The dropout voltage is minimized to reduce power dissipation and maximize efficiency.

Detailed Application Field Plans

The X4043S8I-4.5A is commonly used in various applications, including: 1. Power supplies for microcontrollers and digital circuits. 2. Battery-powered devices requiring stable voltage levels. 3. Automotive electronics, such as infotainment systems and engine control units. 4. Industrial equipment, such as motor drives and control systems. 5. Portable electronic devices, such as smartphones and tablets.

Detailed and Complete Alternative Models

Some alternative models with similar specifications and features to the X4043S8I-4.5A include: - LM1117-ADJ - LT1086-ADJ - TPS7A4700-ADJ - ADP3339-ADJ - MAX8887-ADJ

(Note: The above list is not exhaustive and serves as examples of alternative models.)

This entry provides an overview of the X4043S8I-4.5A voltage regulator IC, including its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.