LM5110-2MX/NOPB

Introduction

The LM5110-2MX/NOPB is a high-voltage, high-speed, dual MOSFET driver designed for use in applications requiring efficient driving of two N-channel power MOSFETs in a synchronous buck or half-bridge configuration. This device is widely used in power management and motor control applications due to its high performance and reliability.

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Efficient driving of two N-channel power MOSFETs in synchronous buck or half-bridge configurations
• Characteristics: High voltage, high speed, dual MOSFET driver
• Package: 8-pin SOIC package
• Essence: High-performance and reliable MOSFET driver
• Packaging/Quantity: Available in tape and reel packaging with quantities varying based on supplier

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0V to 18V
• Peak Output Current: 3A
• Propagation Delay: 15ns
• Operating Temperature Range: -40°C to 125°C
• Driver Type: Dual MOSFET Driver
• Package Type: SOIC-8

Detailed Pin Configuration

The LM5110-2MX/NOPB features the following pin configuration: 1. VDD: Power supply input for the driver circuitry 2. IN1: Input for the first MOSFET gate drive 3. OUT1: Output for the first MOSFET gate drive 4. GND: Ground connection 5. IN2: Input for the second MOSFET gate drive 6. OUT2: Output for the second MOSFET gate drive 7. HO: High-side gate drive output 8. VS: Bootstrap supply voltage input

Functional Features

• High-speed switching capability
• Wide input voltage range
• Dual MOSFET driver configuration
• Adaptive shoot-through protection
• Low propagation delay

Advantages and Disadvantages

Advantages

• Efficient driving of N-channel power MOSFETs
• High-speed operation
• Wide input voltage range
• Adaptive shoot-through protection

Disadvantages

• Limited to driving N-channel power MOSFETs only
• Requires external bootstrap capacitor for high-side drive

Working Principles

The LM5110-2MX/NOPB operates by receiving input signals from a controller and generating high-speed, high-current drive signals to the gates of N-channel power MOSFETs. It incorporates adaptive shoot-through protection to prevent both MOSFETs from conducting simultaneously, ensuring efficient and safe operation in synchronous buck or half-bridge configurations.

Detailed Application Field Plans

The LM5110-2MX/NOPB finds extensive application in the following fields: - Synchronous buck converters - Half-bridge motor drives - Power supplies - Motor control systems - Renewable energy systems

Detailed and Complete Alternative Models

• LM5110-1MX/NOPB: Single MOSFET driver variant
• LM5110-3MX/NOPB: Triple MOSFET driver variant
• IR2104: Alternate dual MOSFET driver from Infineon Technologies

In conclusion, the LM5110-2MX/NOPB is a versatile and high-performance dual MOSFET driver suitable for a wide range of power management and motor control applications. Its advanced features, wide input voltage range, and efficient operation make it a preferred choice for engineers designing synchronous buck converters and half-bridge motor drives.

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