LTC4449EDCB#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC4449EDCB#TRPBF

Manufacturer

Analog Devices

Introduction

High-Performance Power Management Integrated Circuit for Gate Driving Applications

Product Features and Performance

High Power Half-Bridge Gate Driver

Synchronous Channel Operation

Two Independent Gate Drivers for N-Channel MOSFETs

Wide Supply Voltage Range: 4V to 6.5V

Robust 3.2A Peak Source and 4.5A Peak Sink Current

Non-Inverting Input Logic

Fast Rise and Fall Times: 8ns/7ns Typ.

High Side Voltage Capability up to 42V for Bootstrap

Operational Temperature Range: -40°C to 125°C

Surface Mount Technology with Small Footprint

Product Advantages

Improves Efficiency with Synchronous Driving

Compact Size Ideal for Space-Constrained Applications

Strong Drive Capability for Fast Switching Speeds

Optimized for High-Frequency Applications

Thermal Performance for Harsh Environments

High Reliability and Longevity

Key Technical Parameters

Driven Configuration: Half-Bridge

Channel Type: Synchronous

Number of Drivers: 2

Gate Type: N-Channel MOSFET

Logic Voltage - VIL, VIH: 3V, 6.5V

Current - Peak Output (Source, Sink): 3.2A, 4.5A

High Side Voltage - Max (Bootstrap): 42 V

Quality and Safety Features

Extended Temperature Range for Harsh Environments

Designed to Mitigate Effects of Switching Noise and EMI

Compatibility

Suited for Driving N-Channel MOSFETs

Works with Logic Levels from 3V to 6.5V

Application Areas

Power Supplies

DC-to-DC Converters

Motor Controllers

Power Inverters

Battery Powered Systems

Product Lifecycle

Status: Active

Not Nearing Discontinuation

Replacement or Upgrade Options Available

Several Key Reasons to Choose This Product

Efficient Power Conversion for Enhanced Battery Life

Suitable for High Voltage and High Frequency Applications

Low Propagation Delay for Fast Response Time

Robust Design Suitable for Industrial and Automotive Markets

Enhanced Performance with Minimal Heat Dissipation

High Side Bootstrap Capability Enables High Side N-Channel MOSFET Switching

LTC4449 is Part of a Well-Established Product Family

Comprehensive Technical Support and Documentation by Analog Devices