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