IR3840WMTR1PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Wide input voltage range - Low quiescent current - Overcurrent protection - Thermal shutdown protection

Package: 40-Lead QFN

Essence: The IR3840WMTR1PBF is a power management IC designed for efficient power conversion and management in various electronic devices.

Packaging/Quantity: The IR3840WMTR1PBF is available in a 40-Lead QFN package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 14V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Continuous Output Current: 40A
• Switching Frequency: Up to 1MHz
• Efficiency: Up to 95%
• Quiescent Current: Less than 100µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The IR3840WMTR1PBF has a 40-pin configuration with the following key pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. FB: Feedback pin for voltage regulation
5. EN: Enable pin for turning the IC on/off
6. PG: Power Good pin indicating output voltage stability

For a complete pin configuration diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

• Voltage regulation: The IR3840WMTR1PBF provides stable output voltage within the specified range.
• Overcurrent protection: The IC automatically shuts down if the output current exceeds the maximum limit.
• Thermal shutdown protection: The IC shuts down to prevent damage due to excessive temperature.
• High efficiency: The IC is designed for high power conversion efficiency, minimizing energy loss.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows compatibility with various power sources. - High efficiency reduces energy waste and heat generation. - Overcurrent and thermal shutdown protection enhance system safety. - Compact 40-Lead QFN package saves board space.

Disadvantages: - Limited maximum continuous output current of 40A may not be suitable for high-power applications. - Higher cost compared to some other power management ICs in the market.

Working Principles

The IR3840WMTR1PBF utilizes a combination of switching regulators and control circuitry to efficiently convert and manage power. It regulates the output voltage by adjusting the duty cycle of the internal switches based on feedback from the FB pin. The IC continuously monitors the output current and temperature to ensure safe operation.

Detailed Application Field Plans

The IR3840WMTR1PBF is commonly used in various electronic devices that require efficient power management, such as: - Desktop computers - Servers - Networking equipment - Industrial automation systems - Telecommunications equipment

Detailed and Complete Alternative Models

• IR3842WMTR1PBF
• IR3844WMTR1PBF
• IR3846WMTR1PBF
• IR3848WMTR1PBF

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

Note: The above information is provided as a general overview. For detailed technical specifications and application guidelines, please refer to the datasheet provided by the manufacturer.