Product Details

SD4923E is an Ethernet powered device controller IC compatible with IEEE 802.3af/at standard. It provides powered devices (PD) with functions of detection, classification and inrush current limit.

SD4923E integrates a 100V power MOSFET with on-resistance of 0.6Ω, providing maximum 850mA operating current.

SD4923E features built-in undervoltage protection and over temperature protection, providing high-level power good signal.

Main feature

• IEEE 802.3af/at Compliant

• 100V 0.6Ω On-chip MOSFET

• 180mA inrush current limit

• 850mA operating current

• Power good signal indication

• Fault automatic retry 

• Undervoltage protection

• Over temperature protection

Specifications

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