IR3891MTR1PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

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

Package: Mouser Package Type: DFN-8

Essence: The IR3891MTR1PBF is a power management IC designed for efficient power conversion in various applications.

Packaging/Quantity: Available in tape and reel packaging with 3,000 units per reel.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.6V to 54V
• Maximum Continuous Output Current: 12A
• Switching Frequency: 300kHz to 2MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IR3891MTR1PBF has the following pin configuration:

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| | --| VIN | --| GND | --| EN | --| FB | --| SS/TR | --| PG | --| VOUT | |___________| ```

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss during conversion.
• Adjustable output voltage provides flexibility in different scenarios.
• Overcurrent protection safeguards the circuit from damage.
• Soft-start feature prevents excessive inrush current during startup.

Advantages

• High efficiency results in reduced power consumption and heat generation.
• Wide input voltage range enables compatibility with various power sources.
• Compact size allows for space-saving designs.
• Overcurrent protection enhances system reliability.

Disadvantages

• Limited maximum continuous output current may not be suitable for high-power applications.
• Higher switching frequency may introduce additional noise in sensitive circuits.

Working Principles

The IR3891MTR1PBF utilizes a synchronous buck converter topology to efficiently convert input voltage to the desired output voltage. It employs high-frequency switching to regulate the output voltage and minimize power loss during conversion. The integrated control circuitry ensures stable operation and protection against overcurrent conditions.

Application Field Plans

The IR3891MTR1PBF is suitable for various applications, including but not limited to: - Industrial automation systems - Telecommunications equipment - Automotive electronics - Power supplies - LED lighting

Alternative Models

Other power management ICs that can be considered as alternatives to the IR3891MTR1PBF include: - IR3897MTR1PBF - IR3883MTR1PBF - IR3847MTR1PBF - IR3810MTR1PBF

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

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