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reference designLTC4279 | Demoboard DC2541A

Analog Devices LTC4279 | Demoboard DC2541A

LTC4279 Single Port PoE/PoE+/LTPoE++ PSE Controller

Overview

TopologyOther Topology
Input voltage55-57 V
IC revision1

Description

Demonstration circuit 2541A features the LTC®4279,an autonomous single port Power Sourcing Equipment(PSE) controller for use in IEEE 802.3at Type 1, Type2 and LTPoE++® compliant Power over Ethernet (PoE)systems. The LTC4279 simplifies IEEE and LTPoE++ PSEimplementation, requiring only a 45-57V supply and asmall number of passive support components

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Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(mm)
f(mm)
xPxC
Type
Shielding
Tab
EMI
Application System
IR(A)
Working Voltage(V (AC))
Packaging
Pins
H(mm)
Operation Force(g)
Electrical Life(Cycles)
Actuator Color
Washable
Vaporphase process
Data rate
Ports
PoE
Improved CMRR
Operating Temperature
VT(V (RMS))
Mount
L(µH)
SamplesAvailability & Sample
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62000311121
SPECWR-PHD Pin Header, 6 mm, –
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Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header
Length6 mm
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TypeStraight 
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Rated Current2 A
Working Voltage200 V (AC)
PackagingBag 
Pins3 
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Operating Temperature -40 °C up to +105 °C
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MountTHT 
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702935000
SPECWA-SNSR Self-Retaining Spacer, 12.7 mm, 4.8 mm
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Downloads3 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWA-SNSR Self-Retaining Spacer
Length12.7 mm
Drilling in Panel4.8 mm
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Operating Temperature -30 °C up to +85 °C
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749022016
SPECWE-LAN LAN Transformer, 18.16 mm, –
Simu­lation
Availability
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Downloads4 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LAN LAN Transformer
Length18.16 mm
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Pins24 
Height10.16 mm
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Data rate1000BASE-T 
Ports1 
PoEPoE+ (up to 1150 mA) 
Improved Common Mode RejectionNo 
Operating Temperature 0 °C up to +70 °C
Insulation Test Voltage1500 V (RMS)
MountSMT 
Inductance350 µH
–Check availability
615008142621
SPECWR-MJ Cat 3 Modular Jacks – THT, –, –
Simu­lation–
Availability
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Downloads7 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-MJ Cat 3 Modular Jacks – THT
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Number of Pins (xPxC)8P8C 
TypeHorizontal 
ShieldingShielded 
Tab PositionDown 
EMI FingersNo 
Application SystemCAT 3 
Rated Current1.5 A
Working Voltage120 V (AC)
PackagingTray 
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Ports1x1 
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Operating Temperature -40 °C up to +85 °C
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MountTHT 
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434123050816
SPECWS-TASV J-Bend SMT Tact Switch 6.0x3.5 mm, –, –
Simu­lation–
Availability
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Downloads6 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWS-TASV J-Bend SMT Tact Switch 6.0x3.5 mm
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Rated Current0.05 A
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PackagingTape and Reel 
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Height5 mm
Operation Force160 g
Electrical Life50000 Cycles
Actuator ColorBlack 
WashableNo 
Vaporphase processnot specified 
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Operating Temperature -40 °C up to +85 °C
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–Check availability