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MAX5982A - Powered Device Interface Controllers

Description

The MAX5982A/MAX5982B/MAX5982C provide a complete interface for a powered device (PD) to comply with the IEEE® 802.3af/at standard in a power-over-Ethernet (PoE) system.

Features

  • Sleep Mode and Ultra-Low-Power Sleep (MAX5982A/MAX5982B).
  • IEEE 802.3af/at Compliant.
  • 2-Event Classification or an External Wall Adapter Indicator Output.
  • Simplified Wall Adapter Interface.
  • PoE Classification 0.
  • 5.
  • 100V Input Absolute Maximum Rating.
  • Inrush Current Limit of 182mA Maximum.
  • Current Limit During Normal Operation Between 1700mA and 2100mA.
  • Current Limit and Foldback.
  • Legacy UVL.

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Other Datasheets by Maxim Integrated (Analog Devices)

Part Number Description
MAX5982B Powered Device Interface Controllers
MAX5982C Powered Device Interface Controllers
MAX5980 IEEE 802.3at/af PSE Controller
MAX5981A Powered Device Interface Controllers
MAX5981B Powered Device Interface Controllers

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Click here for production status of specific part numbers. MAX5982A/MAX5982B/ MAX5982C EVALUATION KIT AVAILABLE IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated 70W High-Power MOSFET General Description The MAX5982A/MAX5982B/MAX5982C provide a complete interface for a powered device (PD) to comply with the IEEE® 802.3af/at standard in a power-over-Ethernet (PoE) system. The MAX5982A/MAX5982B/MAX5982C provide the PD with a detection signature, classification signature, and an integrated isolation power switch with inrush current control. During the inrush period, the MAX5982A/MAX5982B/MAX5982C limit the current to less than 182mA before switching to the higher current limit (1700mA to 2100mA) when the isolation power MOSFET is fully enhanced.
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