IR3876MTR1PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Wide input voltage range - Small package size - Low power consumption - Fast switching speed

Package: QFN (Quad Flat No-Lead)

Essence: The IR3876MTR1PBF is a power management IC designed for efficient power conversion in various applications.

Packaging/Quantity: The IR3876MTR1PBF is available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 21V
• Output Voltage Range: 0.6V to 12V
• Maximum Continuous Output Current: 60A
• Switching Frequency: Up to 1MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IR3876MTR1PBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. PG: Power good indicator pin
5. FB: Feedback pin
6. SS: Soft-start pin
7. VOUT: Output voltage pin
8. BOOT: Bootstrap capacitor pin
9. PHASE: Phase node pin
10. LGATE: Low-side gate driver pin
11. HGATE: High-side gate driver pin

Functional Features

• Integrated high-side and low-side MOSFETs for synchronous buck converter operation
• Adaptive dead-time control for improved efficiency
• Programmable soft-start function
• Overcurrent protection
• Overvoltage protection
• Undervoltage lockout
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation - Wide input voltage range allows for versatile applications - Small package size saves board space - Fast switching speed enables high-frequency operation

Disadvantages: - Limited maximum continuous output current (60A) - Requires external components for proper operation

Working Principles

The IR3876MTR1PBF is a synchronous buck converter that converts a higher input voltage to a lower output voltage with high efficiency. It utilizes integrated MOSFETs for power switching and control circuitry to regulate the output voltage. The adaptive dead-time control optimizes the switching performance, while the soft-start function ensures a controlled startup. Various protection features safeguard the IC and the connected load from overcurrent, overvoltage, undervoltage, and thermal issues.

Detailed Application Field Plans

The IR3876MTR1PBF is suitable for a wide range of applications, including but not limited to: - Server power supplies - Telecom and networking equipment - Industrial power systems - Gaming consoles - High-performance computing - LED lighting

Detailed and Complete Alternative Models

Some alternative models to the IR3876MTR1PBF include: - IR3883MTR1PBF - IR3897MTR1PBF - IRDC3874MTR1PBF - IRDC3883MTR1PBF - IRDC3897MTR1PBF

These models offer similar functionality and characteristics, providing flexibility in design choices.

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