ISL6420BIRZ

Product Overview

Category

ISL6420BIRZ belongs to the category of integrated circuits (ICs).

Use

The IC is primarily used in power management applications.

Characteristics

• The ISL6420BIRZ is a highly efficient synchronous buck regulator.
• It operates at a high frequency, allowing for smaller external components.
• The IC has a wide input voltage range and can handle high currents.
• It offers excellent load and line regulation.
• It incorporates various protection features such as overcurrent and thermal shutdown.

Package

ISL6420BIRZ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of ISL6420BIRZ lies in its ability to efficiently regulate power in various applications.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 3A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL6420BIRZ IC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin
4. COMP: Compensation pin
5. EN: Enable pin
6. PGND: Power ground pin
7. SW: Switch node pin
8. VOUT: Output voltage pin

Functional Features

• High efficiency synchronous buck regulator
• Wide input voltage range
• Excellent load and line regulation
• Overcurrent and thermal shutdown protection
• Small external component size due to high-frequency operation

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power dissipation.
• Wide input voltage range allows for flexibility in various applications.
• Excellent load and line regulation ensures stable output voltage.
• Protection features enhance reliability and safety.

Disadvantages

• The IC may require additional external components for specific applications.
• Limited maximum output current of 3A may not be suitable for high-power applications.

Working Principles

The ISL6420BIRZ operates as a synchronous buck regulator, converting a higher input voltage to a lower output voltage. It utilizes high-frequency switching to efficiently regulate the output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the internal switches to maintain the desired output voltage level.

Detailed Application Field Plans

The ISL6420BIRZ is commonly used in various power management applications, including but not limited to:

1. DC-DC converters
2. Power supplies for consumer electronics
3. Industrial automation systems
4. Telecommunication equipment
5. Automotive electronics

Detailed and Complete Alternative Models

1. ISL6420AIRZ: Similar to ISL6420BIRZ, but with a different package type (8-lead SOIC).
2. ISL6420EVAL1Z: Evaluation board for testing and prototyping with the ISL6420BIRZ IC.
3. ISL6420BIRZ-T7A: A variant of ISL6420BIRZ with extended temperature range (-40°C to +125°C).

These alternative models provide similar functionality and can be considered as substitutes for the ISL6420BIRZ in specific applications.

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