ISL8105IRZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: SOIC-8

Essence: The ISL8105IRZ-T is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The ISL8105IRZ-T is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.8V to 16V
• Maximum Output Current: 5A
• Dropout Voltage: 300mV at 1A
• Quiescent Current: 2.5mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The ISL8105IRZ-T has the following pin configuration:

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| | --| EN GND |-- --| FB VIN |-- --| VOUT PGND |-- |___________| ```

• EN: Enable Pin
• FB: Feedback Pin
• VIN: Input Voltage Pin
• VOUT: Output Voltage Pin
• GND: Ground Pin
• PGND: Power Ground Pin

Functional Features

• High Efficiency: The ISL8105IRZ-T offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: It has a low dropout voltage, ensuring stable output voltage even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The IC can handle a wide range of input voltages, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted within a specified range to meet the requirements of different devices.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected devices from excessive current flow.
• Thermal Shutdown Protection: It includes thermal shutdown protection, preventing the IC from overheating and ensuring its longevity.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range allows for versatile applications. - Adjustable output voltage meets diverse device requirements. - Overcurrent protection ensures device safety. - Thermal shutdown protection enhances reliability.

Disadvantages: - Dropout voltage may affect performance in low input voltage scenarios. - Quiescent current of 2.5mA may be relatively high for certain low-power applications.

Working Principles

The ISL8105IRZ-T operates as a voltage regulator by maintaining a stable output voltage regardless of fluctuations in the input voltage. It achieves this through an internal feedback mechanism that compares the output voltage with a reference voltage. If the output voltage deviates from the desired value, the IC adjusts the control circuitry to regulate the output voltage accordingly.

Detailed Application Field Plans

The ISL8105IRZ-T finds applications in various electronic devices, including but not limited to: 1. Power supplies for computer systems 2. Industrial automation equipment 3. Telecommunication devices 4. Consumer electronics 5. Automotive electronics 6. Medical devices

Detailed and Complete Alternative Models

Some alternative models to the ISL8105IRZ-T include: 1. LM317: A popular linear voltage regulator IC with adjustable output voltage. 2. LT1083: A high-current linear voltage regulator IC with low dropout voltage. 3. TPS5430: A synchronous buck converter IC with adjustable output voltage. 4. LM2596: A step-down switching regulator IC with adjustable output voltage. 5. LT1763: A low dropout linear voltage regulator IC with high accuracy.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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