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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 1970-01-01 SD4923E Brief Datasheet