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Datasheet Linear Technology LTC4279

ManufacturerLinear Technology
SeriesLTC4279

Single Port PoE/PoE+/ LTPoE++ PSE Controller

Datasheets

  • Download » Datasheet PDF, 1.2 Mb, Revision: A, File uploaded: Oct 25, 2017
    LTC4279 - Single Port PoE/PoE+/ LTPoE++ PSE Controller
    Docket ↓
    LTC4279
    Single Port PoE/PoE+/
    LTPoE++ PSE Controller
    FEATURES DESCRIPTION Compliant with IEEE 802.3at Type 1 and 2
    nn Supports LTPoE++В® Up to 90W
    nn Supports Dual-Signature PDs
    nn Fully Autonomous Operation without Microcontroller
    nn Very Low Power Dissipation
    – 0.1Ω Sense Resistance
    – Low RDS(ON) External MOSFET
    nn Very High Reliability 4-Point PD Detection
    – 2-Point Forced Voltage and Forced Current
    nn Robust Short-Circuit Protection
    nn Cable Surge Protected В±80V OUT Pin
    nn Classification Dependent I
    CUT and ILIM Current
    Thresholds
    nn Supports 2-Pair and 4-Pair Output Power
    nn UltraPWR Mode Supports Custom PDs Up to 123W
    nn Pin-Selectable Detection Backoff Timer for Midspans
    nn Pin Programmable Legacy PD Detection
    nn Pin Programmable Maximum Power Mode
    nn Status LED Pin ...

Prices

Packaging

Parametrics

LTC4279IS#PBFLTC4279IS#TRPBFLTC4279IUFD#PBFLTC4279IUFD#TRPBF
Number of Channels1111
Demo BoardsDC2541A,DC2579ADC2541A,DC2579ADC2541A,DC2579ADC2541A,DC2579A
Export Controlnononono
I2C Interfacenononono
IEEE-Compliant ClassificationOne Event, Two Event, LTPoE++One Event, Two Event, LTPoE++One Event, Two Event, LTPoE++One Event, Two Event, LTPoE++
IEEE-Compliant Detection4-Point4-Point4-Point4-Point
IEEE-Compliant DisconnectionDCDCDCDC
Max Power, W123123123123
Operating Temperature Range, °C-40 to 85-40 to 85-40 to 85-40 to 85
PSE/PDPSEPSEPSEPSE
PoE Type1, 2, LTPoE++1, 2, LTPoE++1, 2, LTPoE++1, 2, LTPoE++

Eco Plan

LTC4279IS#PBFLTC4279IS#TRPBFLTC4279IUFD#PBFLTC4279IUFD#TRPBF
RoHSCompliantCompliantCompliantCompliant

Moldel Line

Series: LTC4279 (4)

Manufacturer's Classification

  • Monitor, Control and Protection > Power-over-Ethernet (PoE) Interface Controllers > PoE Power Sourcing Equipment (PSE)

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