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LTC4263 - Single IEEE 802.3af Compliant PSE Controller

General Description

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

Key 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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Full PDF Text Transcription for LTC4263 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for LTC4263. For precise diagrams, and layout, please refer to the original PDF.

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 P...

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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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