ISL8107IRZ-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 ISL8107IRZ-T is a voltage regulator IC designed for various applications that require stable and regulated power supply.

Packaging/Quantity: The ISL8107IRZ-T is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 1A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL8107IRZ-T has the following pin configuration:

____ VIN --| | EN --| | GND --| | FB --| | VOUT--| | |____|

Functional Features

• High Efficiency: The ISL8107IRZ-T offers high efficiency, minimizing power losses and maximizing battery life.
• Low Dropout Voltage: With a low dropout voltage of 200mV at 1A, it ensures stable operation even with low input voltages.
• Wide Input Voltage Range: The IC can accept input voltages ranging from 2.7V to 5.5V, making it suitable for a wide range of applications.
• Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to the input voltage (VIN) using external resistors.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit and load from excessive current.
• Thermal Shutdown Protection: In case of excessive temperature, the thermal shutdown feature protects the IC from damage.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range allows for versatile applications. - Adjustable output voltage provides flexibility. - Overcurrent and thermal shutdown protection enhance reliability.

Disadvantages: - Limited maximum output current of 1A may not be suitable for high-power applications. - Requires external components for proper operation.

Working Principles

The ISL8107IRZ-T is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to control the pass transistor's conduction. By adjusting the resistance connected to the FB pin, the output voltage can be set to the desired level.

Detailed Application Field Plans

The ISL8107IRZ-T is commonly used in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial automation equipment - Automotive applications - Communication systems

Detailed and Complete Alternative Models

Some alternative models to the ISL8107IRZ-T include: - LM317: A popular adjustable linear voltage regulator with similar characteristics. - LT1084: A high-current linear voltage regulator capable of delivering up to 5A. - TPS7A4700: An ultra-low-noise linear voltage regulator suitable for sensitive applications.

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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