1EDN7550B

概要

1-channel non-isolated gate-driver IC family with truly differential inputs

The 1EDN7550B is a non-isolated gate-driver IC  and available in a small SOT-23 package. It has truly differential inputs enabling cost-effective solutions with exceptional power density in:

  • Boost-PFC with Kelvin-source MOSFETs
  • Synchronous rectification stages
  • Designs with long distance between control IC and gate-driver IC
  • Buck-boost converters
  • Low- and medium-voltage half-bridges
  • High density 48V to 12V intermediate bus converter

特長

  • Truly differential inputs for configurable common mode robustness
  • 4A source current
  • 8A sink current
  • Separate source/sink outputs
  • Low-ohmic output stage
  • 29ns input minimum pulse width
  • -7 ns/+10 ns propagation delay accuracy
  • 5A reverse current robustness of the outputs
  • 4V UVLO version
  • SOT-23 package

利点

  • Robust
  • Small
  • PCB layout flexibility
  • High power density
  • Short time to market

Potential applications

  • Boost-PFCs with Kelvin-source MOSFETs
  • Interleaved PFC
  • Full-bridge synchronous rectification stages
  • 48V to 12V intermediate bus converters
  • Buck-boost converters
  • Low- and medium-voltage half-bridges

Application benefits

  • Robust against ground shifts from power MOSFET switching
  • Low MOSFET switching losses
  • Robust against false MOSFET triggering
  • Highest effective MOSFET driving power
  • Efficiency gains
  • Increased power density and BOM savings
  • Instant MOSFET protection under abnormal operation
  • High power density
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