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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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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC4263-1 High Power Single PSE Controller
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.