1EDN7550B

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

Summary of Features
• 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
• TSNP-6 package

Benefits
• 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