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LTC4447 - High Speed Synchronous N-Channel MOSFET Driver

Description

The LTC®4447 is a high frequency gate driver with integrated bootstrap Schottky diode 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

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