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LTC4266 - Quad IEEE 802.3at Power over Ethernet Controller

General Description

The LTC®4266 is a quad PSE controller designed for use in IEEE 802.3 Type 1 and Type 2 (high power) compliant Power over Ethernet systems.

Key Features

  • nn Four Independent PSE Channels nn Compliant with IEEE 802.3at Type 1 and 2 nn 0.34Ω Total Channel Resistance nn 130mW/Port at 600mA nn Advanced Power Management nn 8-Bit Programmable Current Limit (ILIM) nn 7-Bit Programmable Overload Currents (ICUT) nn Fast Shutdown of Preselected Ports nn 14.5-Bit Port Current/Voltage Monitoring nn 2-Event Classification nn Very High Reliability 4-Point PD Detection nn 2-Point Forced Voltage nn 2-Point Forced Current nn High Capacitance Legacy Device Detecti.

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC4266A Quad PoE/PoE+/LTPoE++ PSE Controller
LTC4266C Quad PoE/PoE+/LTPoE++ PSE Controller
LTC4260 Positive High Voltage Hot Swap Controller
LTC4261 Negative Voltage Hot Swap Controllers
LTC4261-2 Negative Voltage Hot Swap Controllers
LTC4263 Single IEEE 802.3af Compliant PSE Controller
LTC4263-1 High Power Single PSE Controller
LTC4264 High Power PD Interface Controller
LTC4265 IEEE 802.3at High Power PD Interface 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 nn Four Independent PSE Channels nn Compliant with IEEE 802.3at Type 1 and 2 nn 0.34Ω Total Channel Resistance nn 130mW/Port at 600mA nn Advanced Power Management nn 8-Bit Programmable Current Limit (ILIM) nn 7-Bit Programmable Overload Currents (ICUT) nn Fast Shutdown of Preselected Ports nn 14.