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LTC4263 - Single IEEE 802.3af Compliant PSE Controller

Datasheet Summary

Description

The LTC®4263 is an autonomous single-channel PSE controller for use in IEEE 802.3af compliant Power over Ethernet systems.

Features

  • n IEEE 802®.3af Compliant n Operation from a Single 48V Supply n Fully Autonomous Operation without Microcontroller n Internal MOSFET with Thermal Protection n Power Management Works Across Multiple Ports with Simple RC Network n Precision Inrush Control with Internal Sense Resistor n Powered Device (PD) Detection and Classification n AC and DC Disconnect Sensing n Robust Short-Circuit Protection n Pin-Selectable Detection Backoff for Midspan PSEs n Classification Dependent ICUT Current Threshold.

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Datasheet Details

Part number LTC4263
Manufacturer Linear Technology
File Size 354.07 KB
Description Single IEEE 802.3af Compliant PSE Controller
Datasheet download datasheet LTC4263 Datasheet
Additional preview pages of the LTC4263 datasheet.

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Full PDF Text Transcription

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FEATURES n IEEE 802®.3af Compliant n Operation from a Single 48V Supply n Fully Autonomous Operation without Microcontroller n Internal MOSFET with Thermal Protection n Power Management Works Across Multiple Ports with Simple RC Network n Precision Inrush Control with Internal Sense Resistor n Powered Device (PD) Detection and Classification n AC and DC Disconnect Sensing n Robust Short-Circuit Protection n Pin-Selectable Detection Backoff for Midspan PSEs n Classification Dependent ICUT Current Threshold n LED Driver Indicates Port On and Blinks Status Codes n Available in 14-Pin SO and 4mm × 3mm DFN Packages APPLICATIONS n IEEE 802.
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