ISL8840AABZ-T

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: 8-Lead SOIC
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.6V to 55V
• Output Current: Up to 4A
• Switching Frequency: 100kHz to 1MHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The ISL8840AABZ-T has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. FB: Feedback Pin
4. COMP: Compensation Pin
5. EN: Enable Pin
6. SS/TR: Soft-Start/Tracking Pin
7. VCC: Supply Voltage
8. SW: Switch Node

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency design minimizes power loss.
• Low power consumption in standby mode.
• Adjustable output voltage provides flexibility.
• Overcurrent and overtemperature protection ensures safe operation.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables use in various systems. - High efficiency reduces energy waste. - Compact package size saves board space. - Overcurrent and overtemperature protection enhance reliability.

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

Working Principles

The ISL8840AABZ-T is a voltage regulator that utilizes a buck converter topology. It converts a higher input voltage to a lower output voltage by controlling the duty cycle of an internal switch. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle accordingly to maintain a stable output. The compensation pin (COMP) allows for fine-tuning of the control loop to optimize stability and transient response.

Detailed Application Field Plans

The ISL8840AABZ-T is commonly used in various applications, including:

1. Power supplies for industrial equipment.
2. Automotive electronics.
3. Telecommunications systems.
4. LED lighting.
5. Battery charging circuits.
6. Distributed power systems.

Detailed and Complete Alternative Models

• ISL8840AAZ-T
• ISL8840AIBZ-T
• ISL8840AIRZ-T
• ISL8840AIRZ-T7A

These alternative models offer similar functionality and specifications, providing options for different design requirements.

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