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LTC4449 - High Speed Synchronous N-Channel MOSFET

Description

The LTC®4449 is a high frequency gate driver that is designed to drive two N-Channel MOSFETs in a synchronous DC/DC converter.

The powerful rail-to-rail driver capability reduces switching losses in MOSFETs with high gate capacitance.

Features

  • n 4V to 6.5V VCC Operating Voltage n 38V Maximum Input Supply Voltage n Adaptive Shoot-Through Protection n Rail-to-Rail Output Drivers n 3.2A Peak Pull-Up Current n 4.5A Peak Pull-Down Current n 8ns TG Rise Time Driving 3000pF Load n 7ns TG Fall Time Driving 3000pF Load n Separate Supply to Match PWM Controller n Drives Dual N-Channel MOSFETs n Undervoltage Lockout n Low Profile (0.75mm) 2mm × 3mm DFN Package.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FEATURES n 4V to 6.5V VCC Operating Voltage n 38V Maximum Input Supply Voltage n Adaptive Shoot-Through Protection n Rail-to-Rail Output Drivers n 3.2A Peak Pull-Up Current n 4.5A Peak Pull-Down Current n 8ns TG Rise Time Driving 3000pF Load n 7ns TG Fall Time Driving 3000pF Load n Separate Supply to Match PWM Controller n Drives Dual N-Channel MOSFETs n Undervoltage Lockout n Low Profile (0.75mm) 2mm × 3mm DFN Package APPLICATIONS n Distributed Power Architectures n High Density Power Modules L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
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