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SD4923E
POE POWERED DEVICE (PD) CONTROLLER COMPATIBLE WITH IEEE 802.3AF/AT STANDARD

    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

Ordering Information
Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
SD4923E ESOP-8-225-1.27 SD4923E Halogen free Tube
SD4923ETR ESOP-8-225-1.27 SD4923E Halogen free Tape & Reel
Documents
title Types of Size (KB) date Download the latest English version
SD4923E 0 2021-01-15 SD4923E Brief Datasheet