IR3822AMTRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range - Multiple protection features

Package: Surface Mount Device (SMD)

Essence: The IR3822AMTRPBF is a power management IC designed for efficient power conversion and regulation in various electronic devices.

Packaging/Quantity: The IR3822AMTRPBF is available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 24V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Output Current: 20A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C
• Package Type: QFN-16

Detailed Pin Configuration

The IR3822AMTRPBF has a QFN-16 package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. PGND: Power Ground
4. VCC: Supply Voltage
5. BOOT: Bootstrap Capacitor Connection
6. PHASE: Phase Node Connection
7. COMP: Compensation Pin
8. FB: Feedback Pin
9. SS: Soft-Start Pin
10. EN: Enable Pin
11. OCSET: Overcurrent Protection Threshold Setting
12. ISENSE: Current Sense Pin
13. LGATE: Low-Side Gate Drive Output
14. PGATE: High-Side Gate Drive Output
15. AGND: Analog Ground
16. VCC: Supply Voltage

Functional Features

• High-efficiency synchronous buck converter
• Adaptive constant on-time control
• Integrated MOSFETs for reduced external component count
• Programmable soft-start and overcurrent protection
• Voltage mode control with adjustable compensation

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for space-saving designs - Wide input voltage range enables compatibility with various power sources - Multiple protection features ensure safe operation

Disadvantages: - Limited maximum output current of 20A may not be suitable for high-power applications - Requires careful consideration of thermal management due to high efficiency

Working Principles

The IR3822AMTRPBF operates as a synchronous buck converter, converting a higher input voltage to a lower output voltage efficiently. It utilizes adaptive constant on-time control and voltage mode control with adjustable compensation to regulate the output voltage accurately. The integrated MOSFETs reduce the need for external components, simplifying the design.

Detailed Application Field Plans

The IR3822AMTRPBF is widely used in various electronic devices that require efficient power conversion and regulation. Some application fields include:

1. Computer motherboards
2. Servers and data centers
3. Telecommunications equipment
4. Industrial automation systems
5. LED lighting systems
6. Consumer electronics

Detailed and Complete Alternative Models

1. IR3810AMTRPBF
2. IR3830AMTRPBF
3. IR3840AMTRPBF
4. IR3850AMTRPBF
5. IR3860AMTRPBF

These alternative models offer similar functionality and characteristics to the IR3822AMTRPBF, providing options for different power requirements and design considerations.

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