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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
LTC4260 Positive High Voltage Hot Swap Controller
LTC4261 Negative Voltage Hot Swap Controllers
LTC4261-2 Negative Voltage Hot Swap Controllers
LTC4264 High Power PD Interface Controller
LTC4265 IEEE 802.3at High Power PD Interface Controller
LTC4266 Quad IEEE 802.3at Power over Ethernet Controller
LTC4266A Quad PoE/PoE+/LTPoE++ PSE Controller
LTC4266C Quad PoE/PoE+/LTPoE++ PSE Controller
LTC4267 Power over Ethernet IEEE 802.3af PD Interface

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.