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MAX5971AETI+T

Power Over Ethernet (POE) Controller, IEEE 802.3af/at, 60V In, 40W Out, 28.5V UVLO, 25kHz, TQFN-28

MAX5971AETI+T - Power Over Ethernet (POE) Controller, IEEE 802.3af/at, 60V In, 40W Out, 28.5V UVLO, 25kHz, TQFN-28

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Manufacturer Part No:
MAX5971AETI+T
Newark Part No.:
73Y5111
Technical Datasheet:
MAX5971AETI+T   Datasheet
See all Technical Docs

Product Overview

The MAX5971AETI+T is a single port, 40W, IEEE 802.3af/at PSE controller with integrated MOSFET in 28 pin TQFN package. This power sourcing equipment (PSE) power controller is designed for use in IEEE 802.3af/at-compliant PSE. It provides powered device (PD) discovery, classification, current limit and AC/DC load disconnect detections. The device also supports new class 5 and 2 event classification for detection and classification of high power PDs. The MAX5971A provides up to 40W to a single port (class 5 enabled) and still provides high capacitance detection for legacy PDs. It also provides input UVLO, input overvoltage lockout, overtemperature detection, output voltage slew rate limit during start-up and LED status indication. It is typically used in single port PSE end point applications, single port PSE power injectors (midspan applications), switches/routers, wireless LAN access point/WiMAX and base station.
  • Operating voltage range from 32V to 60V
  • Operating temperature range from -40°C to 85°C
  • Integrated 0.5ohm power MOSFET and sense resistor
  • Supply current of 2.5mA and VEE undervoltage lockout of 28.5V
  • Programmable current limit for class 5 PDs
  • High capacitance detection for legacy devices
  • Supports both DC and AC load removal detections
  • Current foldback and duty cycle controlled current limit
  • LED indicator for port status
  • Direct fast shutdown control capability

Applications

Communications & Networking, Industrial

Product Information

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60V

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-

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28.5V

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TQFN

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28Pins

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-

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25kHz

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-40°C

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85°C

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-

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-
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Technical Docs (1)

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