ISL89400AR3Z-T

Product Overview

The ISL89400AR3Z-T belongs to the category of voltage regulators and is commonly used in electronic devices to provide a stable output voltage. Its characteristics include high efficiency, low dropout voltage, and thermal shutdown protection. The package type for the ISL89400AR3Z-T is a small 8-lead DFN (3mmx3mm) package, making it suitable for space-constrained applications. The essence of this product lies in its ability to regulate voltage with minimal power loss. It is typically available in reels containing a specific quantity per reel.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 1A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 31µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The ISL89400AR3Z-T features an 8-pin configuration: 1. VIN - Input Voltage 2. GND - Ground 3. EN - Enable Pin 4. BYP - Bypass Capacitor Pin 5. VOUT - Output Voltage 6. PG - Power Good Indicator 7. FB - Feedback Pin 8. SS - Soft-Start Pin

Functional Features

• High Efficiency
• Low Dropout Voltage
• Thermal Shutdown Protection
• Power Good Indicator
• Soft-Start Functionality

Advantages and Disadvantages

Advantages

• High Efficiency
• Small Package Size
• Wide Input Voltage Range
• Power Good Indicator

Disadvantages

• Limited Maximum Output Current
• Requires External Bypass Capacitor

Working Principles

The ISL89400AR3Z-T regulates the output voltage by comparing it to a reference voltage and adjusting the internal circuitry to maintain a stable output. When enabled, the device monitors the input and output voltages, adjusting the internal components to ensure the output remains within the specified range.

Detailed Application Field Plans

The ISL89400AR3Z-T is commonly used in battery-powered devices, portable electronics, and other applications requiring efficient voltage regulation. Its small package size and low quiescent current make it suitable for space-constrained and low-power applications.

Detailed and Complete Alternative Models

• ISL9001: Similar voltage regulator with higher maximum output current.
• ISL85415: Step-down voltage regulator with adjustable output voltage.

In conclusion, the ISL89400AR3Z-T is a versatile voltage regulator with high efficiency and thermal protection, making it suitable for various electronic applications.

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