LTC4263

PRODUCTION

Single IEEE 802.3af Compliant PSE Controller with Internal Switch

Part Details

  • IEEE 802.3af Compliant
  • Operation from a Single 48V Supply
  • Fully Autonomous Operation without Microcontroller
  • Internal MOSFET with Thermal Protection
  • Power Management Works Across Multiple Ports with Simple RC Network
  • Precision Inrush Control with Internal Sense Resistor
  • Powered Device (PD) Detection and Classification
  • AC and DC Disconnect Sensing
  • Robust Short-Circuit Protection
  • Pin-Selectable Detection Back-off for Midspan PSEs
  • Classification Dependent ICUT Current Threshold
  • LED Driver Indicates Port On and Blinks Status Codes
  • Available in 14-Pin SO and 4mm × 3mm DFN Packages
LTC4263
Single IEEE 802.3af Compliant PSE Controller with Internal Switch
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Documentation

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
PoE Power Sourcing Equipment (PSE) 2
LTC4274A
LTC4274C
Single PoE/PoE+/LTPoE++ PSE Controller
LTC4274 PRODUCTION Single PoE+ PSE Controller
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Evaluation Kits

eval board
DC981A/B

LTC4263 DC981A Midspan Demo Board with DC981B Endspan Plugin

Product Details

DC981A/B: Demo Board for the LTC4263 Single IEEE 802.3af Compliant PSE Controller with Internal Switch.

DC981A/B
LTC4263 DC981A Midspan Demo Board with DC981B Endspan Plugin

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