ISL80103IR18Z-T

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - High Efficiency - Low Dropout Voltage - Adjustable Output Voltage - Overcurrent Protection - Thermal Shutdown Protection

Package: 8-Pin DFN (Dual Flat No-Lead)

Essence: The ISL80103IR18Z-T is a voltage regulator IC designed for various applications that require a stable and adjustable output voltage.

Packaging/Quantity: The ISL80103IR18Z-T is available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Output Current: Up to 3A
• Dropout Voltage: 200mV at 3A
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL80103IR18Z-T has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. SS: Soft-Start Pin
6. PG: Power Good Indicator
7. VOUT: Output Voltage
8. SW: Switching Node

Functional Features

• Wide input voltage range allows for flexibility in various applications.
• Adjustable output voltage enables customization according to specific requirements.
• Overcurrent protection safeguards the circuit from excessive current flow.
• Thermal shutdown protection prevents damage due to high temperatures.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption. - Low dropout voltage ensures stable output even with low input voltage. - Compact 8-pin DFN package saves board space. - Power good indicator provides visual feedback on the output status.

Disadvantages: - Limited output current of up to 3A may not be suitable for high-power applications. - Operating temperature range is limited to -40°C to +85°C.

Working Principles

The ISL80103IR18Z-T operates as a step-down voltage regulator. It takes an input voltage within the specified range and converts it to a lower, adjustable output voltage. The internal circuitry ensures efficient power conversion while providing protection against overcurrent and thermal issues.

Detailed Application Field Plans

The ISL80103IR18Z-T can be used in various applications, including but not limited to: 1. Portable electronic devices 2. Battery-powered systems 3. IoT (Internet of Things) devices 4. Industrial automation 5. Automotive electronics

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable Voltage Regulator, TO-220 Package, Output Current up to 1.5A.
2. LT1084: Adjustable Voltage Regulator, TO-220 Package, Output Current up to 5A.
3. TPS7A4700: Adjustable Voltage Regulator, SOT-223 Package, Output Current up to 1A.
4. AP2112: Adjustable Voltage Regulator, SOT-23 Package, Output Current up to 600mA.

These alternative models provide similar functionality and can be considered based on specific requirements and constraints.

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