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LT8418 - 100V Half-Bridge GaN Driver

Description

The LT8418 is a 100V half-bridge GaN driver that integrates top and bottom driver stages, driver logic control, and protections.

It can be configured into synchronous half-bridge, full-bridge topologies, or buck, boost, and buck-boost topologies.

Features

  • Half-Bridge Gate Driver for GaN FETs.
  • 0.6Ω Pull-Up Resistance at Top Gate Driver.
  • 0.2Ω Pull-Down Resistance at Bottom Gate Driver.
  • 4A Peak Source, 8A Peak Sink Current Capability.
  • Smart Integrated Bootstrap Switch.
  • Split-Gate-Driver to Adjust Turn-On/Turn-Off Strength.
  • Default Low-State for All Driver Inputs and Outputs.
  • Maximum 15V Voltage Rating at INT and INB Inputs.
  • Independent INT, INB Inputs with TTL Logic Compatible.
  • Fast Propagation Dela.

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Full PDF Text Transcription

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Data Sheet LT8418 100V Half-Bridge GaN Driver with Smart Integrated Bootstrap Switch FEATURES  Half-Bridge Gate Driver for GaN FETs  0.6Ω Pull-Up Resistance at Top Gate Driver  0.2Ω Pull-Down Resistance at Bottom Gate Driver  4A Peak Source, 8A Peak Sink Current Capability  Smart Integrated Bootstrap Switch  Split-Gate-Driver to Adjust Turn-On/Turn-Off Strength  Default Low-State for All Driver Inputs and Outputs  Maximum 15V Voltage Rating at INT and INB Inputs  Independent INT, INB Inputs with TTL Logic Compatible  Fast Propagation Delay: 10ns (Typical)  Propagation Delay Matching: 1.5ns (Typical)  Balanced Driver Supply Voltage: VBST ≈ VCC = 3.85V – 5.
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