X4003S8IZ-4.5A

Product Overview

Category

X4003S8IZ-4.5A belongs to the category of voltage regulators.

Use

The X4003S8IZ-4.5A is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: SOT-223
• Essence: Voltage regulator
• Packaging/Quantity: 1000 units per reel

Specifications

The X4003S8IZ-4.5A has the following specifications:

• Input Voltage Range: 4.75V to 18V
• Output Voltage: 4.5V
• Output Current: 1A
• Dropout Voltage: 0.6V (typical)
• Quiescent Current: 50µA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The X4003S8IZ-4.5A has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)

Functional Features

The X4003S8IZ-4.5A offers the following functional features:

• Low dropout voltage
• Low quiescent current
• Excellent line and load regulation
• Thermal shutdown protection
• Short-circuit current limiting

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation provide stable output voltage.
• Thermal shutdown protection prevents overheating.
• Short-circuit current limiting protects the circuit from damage.

Disadvantages

• Limited output current of 1A may not be suitable for high-power applications.
• SOT-223 package may require additional heat dissipation measures in certain cases.

Working Principles

The X4003S8IZ-4.5A operates based on the principle of voltage regulation. It takes an input voltage within the range of 4.75V to 18V and regulates it to a stable output voltage of 4.5V. The device achieves this by utilizing internal circuitry that adjusts the voltage according to the load and line conditions.

Detailed Application Field Plans

The X4003S8IZ-4.5A finds application in various electronic circuits where precise voltage regulation is required. Some potential application fields include:

1. Battery-powered devices: The voltage regulator ensures a stable power supply to sensitive components, extending battery life.
2. Automotive electronics: It provides regulated voltage to various systems, such as sensors, actuators, and control modules.
3. Industrial automation: The X4003S8IZ-4.5A can be used in PLCs, motor drives, and other industrial control systems.
4. Consumer electronics: It is suitable for powering microcontrollers, audio amplifiers, and other low-power devices.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the X4003S8IZ-4.5A include:

1. LM1117-4.5: A popular voltage regulator with a fixed output voltage of 4.5V.
2. LT1086-4.5: A high-performance linear regulator capable of delivering higher output currents.
3. TPS7A4700: A low-dropout voltage regulator with adjustable output voltage.

These alternative models can be considered based on specific requirements and design constraints.

In conclusion, the X4003S8IZ-4.5A is a voltage regulator that offers efficient and stable voltage regulation. Its low dropout voltage, low quiescent current, and excellent line and load regulation make it suitable for various electronic applications. However, designers should consider alternative models based on specific needs and constraints.