| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 8-WFDFN Exposed Pad | 
                                                                            
                                            | Surface Mount | YES | 
                                                                            
                                            | Operating Temperature | -40°C~125°C TJ | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Published | 2012 | 
                                                                            
                                            | JESD-609 Code | e3 | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 
                                                                            
                                            | Number of Terminations | 8 | 
                                                                            
                                            | ECCN Code | EAR99 | 
                                                                            
                                            | Terminal Finish | Matte Tin (Sn) | 
                                                                            
                                            | Subcategory | MOSFET Drivers | 
                                                                            
                                            | Technology | CMOS | 
                                                                            
                                            | Voltage - Supply | 4V~6.5V | 
                                                                            
                                            | Terminal Position | DUAL | 
                                                                            
                                            | Terminal Form | NO LEAD | 
                                                                            
                                            | Peak Reflow Temperature (Cel) | 260 | 
                                                                            
                                            | Number of Functions | 1 | 
                                                                            
                                            | Supply Voltage | 3.3V | 
                                                                            
                                            | Terminal Pitch | 0.45mm | 
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | 
                                                                            
                                            | Pin Count | 8 | 
                                                                            
                                            | JESD-30 Code | R-PDSO-N8 | 
                                                                            
                                            | Qualification Status | Not Qualified | 
                                                                            
                                            | Power Supplies | 5V | 
                                                                            
                                            | Input Type | Non-Inverting | 
                                                                            
                                            | Rise / Fall Time (Typ) | 8ns 7ns | 
                                                                            
                                            | Channel Type | Synchronous | 
                                                                            
                                            | Number of Drivers | 2 | 
                                                                            
                                            | Output Peak Current Limit-Nom | 4.5A | 
                                                                            
                                            | Supply Voltage1-Nom | 5V | 
                                                                            
                                            | Driven Configuration | Half-Bridge | 
                                                                            
                                            | Gate Type | N-Channel MOSFET | 
                                                                            
                                            | Current - Peak Output (Source, Sink) | 3.2A 4.5A | 
                                                                            
                                            | High Side Driver | YES | 
                                                                            
                                            | Logic Voltage - VIL, VIH | 3V 6.5V | 
                                                                            
                                            | High Side Voltage - Max (Bootstrap) | 42V | 
                                                                            
                                            | Height Seated (Max) | 0.8mm | 
                                                                            
                                            | Length | 3mm | 
                                                                            
                                            | RoHS Status | Non-RoHS Compliant | 
                                                                                                    
                            
                         
                                                LTC4449IDCB Overview
Its 8-WFDFN Exposed Pad package provides greater flexibility.Tube represents the package.This device is equipped with 2 drivers for its configuration.Its recommended mounting way is Surface Mount.In the absence of a power supply voltage of  4V~6.5V V, it is able to demonstrate its superiority.This gate type has a N-Channel MOSFET design.For this device, the temperature range is -40°C~125°C TJ.Non-Inverting is the input type used in this program.The configuration starts with 8 terminations.Mosfet driver is designed specifically to run on 3.3V volts of power.Within this subcategory of MOSFET Drivers, there are several useful electronic components.There are 8 component pins on the board.The high-side voltage - Max (Bootstrap) can be up to 42V.The power supply 5V of the product solves the power supply problem for a variety of applications.
LTC4449IDCB Features
Embedded in the Tube package
2 drivers
Employing a gate type of N-Channel MOSFET
High-side voltage - Max (Bootstrap) of 42V
LTC4449IDCB Applications
There are a lot of Linear Technology/Analog Devices LTC4449IDCB gate drivers applications. 
- Industrial motor drives - compact, standard, premium, servo drives
- serial peripheral interface (SPI), I2C
- Isolated Gate Driver Supplies
- AC-DC Inverters
- UPS systems
- Head-up and Head mounted displays
- Driving GaN Power Transistors used in Full or Half?Bridge, LLC,
- Isolated switch mode power supplies (SMPS)
- White Goods - Air Conditioner, Washing Machine,
- Motor Drives