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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