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MAX5969B - Powered Device Interface Controllers

This page provides the datasheet information for the MAX5969B, a member of the MAX5969A Powered Device Interface Controllers family.

Datasheet Summary

Description

The MAX5969A/MAX5969B 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

  • S IEEE 802.3af/at Compliant S 2-Event Classification S Simplified Wall Adapter Interface S PoE Classification 0 to 5 S 100V Input Absolute Maximum Rating S Inrush Current Limit of 180mA Maximum S Current Limit During Normal Operation Between 720mA and 880mA S Current Limit and Foldback S Legacy UVLO at 36V (MAX5969A) S IEEE 802.3af/at-Compliant, 40V UVLO (MAX5969B) S Overtemperature Protection S Thermally Enhanced, 3mm x 3mm, 10-Pin TDFN MAX5969A/MAX5969B Ordering Information PART.

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Datasheet preview – MAX5969B

Datasheet Details

Part number MAX5969B
Manufacturer Maxim Integrated Products
File Size 313.49 KB
Description Powered Device Interface Controllers
Datasheet download datasheet MAX5969B Datasheet
Additional preview pages of the MAX5969B datasheet.

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Full PDF Text Transcription

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19-5008; Rev 0; 12/09 TION KIT EVALUA BLE AVAILA IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET General Description The MAX5969A/MAX5969B 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 MAX5969A/MAX5969B provide the PD with a detection signature, classification signature, and an integrated isolation power switch with inrush current control. During the inrush period, the MAX5969A/MAX5969B limit the current to less than 180mA before switching to the higher current limit (720mA to 880mA) when the isolation power MOSFET is fully enhanced.
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