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Solutions Search - Power-over-Ethernet (PoE) Interface Controllers

DC2583A - LT4294/LT4321 Demo Board | PoE++ (71W/37V-57V) PD and Ideal Diode Bridge

Jun 9th 2017
Demonstration circuit 2583 is an IEEE 802.3bt (Draft 2.3) compliant Power over Ethernet (PoE) powered device (PD). It features the LT®4294 PD interface controller and the LT4321 PoE ideal diode bridge controller.   ...

Demo Board 

 

DC2584A-A - LT4295/LT4321 Demo Board | PoE++ (71W/12V/5.5A) PD with Forward DC/DC and Ideal Diode Bridge

May 31st 2017
Demonstration circuit 2584A is an IEEE 802.3bt (Draft 2.1) compliant Power over Ethernet (PoE) Powered Device (PD). It features the LT®4295 PD interface and switching regulator controller and the LT4321 PoE ideal diode bridge controller.   ...

Demo Board 

 

IEEE 802.3bt PD Controller Offers 99% Efficiency

May 22nd 2017
MILPITAS, CA and NORWOOD, MA – May 22, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT4294 IEEE 802.3bt Powered Device (PD) interface controller for applications requiring up to 71W of delivered power. This new Power over Ethernet (PoE) standard – IEEE 802.3bt ...

Press Release 

 

Power over Ethernet IC Delivers 123W over 1Gbps CAT5e Cable

Feb 6th 2017
MILPITAS, CA – February 6, 2017 – Linear Technology Corporation introduces the LTC4279 single port Power over Ethernet (PoE) controller for power sourcing equipment (PSE), delivering up to 123W of power over CAT-5e cable for power-hungry applications. Demand for higher power delivery comes from a widespread set of ...

Press Release 

 

DC2539A-A - LT4295/LT4321 Demo Board | PoE++ (51W, 12V/3.9A) PD with Flyback DC/DC and Ideal Diode Bridge

Jan 19th 2017
Demonstration circuit 2539A is an IEEE802.3bt (Draft 2.1) compliant Power over Ethernet (PoE) Powered Device (PD). It features the LT®4295 PD interface and switching regulator controller and the LT4321 PoE ideal diode bridge controller. ...

Demo Board 

 

DC2476A-A - LT4295/LT4321 Demo Board | PoE++ (62W/24V/2.7A or 71W/24V/2.4A) PD with Flyback DC/DC and Ideal Diode Bridge

Jan 19th 2017
Demonstration Circuit 2476A is an IEEE 802.3bt (Draft 2.2) compliant power over ethernet (PoE) powered device (PD). It features the LT®4295 PD interface and switching regulator controller and the LT4321 PoE ideal diode bridge controller.      ...

Demo Board 

 

DC2541A - LTC4279 Demo Board | Single Port PoE/PoE+/LTPoE++ PSE Controller (Up to 123W)

Jan 17th 2017
Demonstration circuit 2541A features the LTC®4279, an autonomous single port Power Sourcing Equipment (PSE) controller for use in IEEE 802.3at Type 1, Type 2 and LTPoE++® compliant Power over Ethernet (PoE) systems. The LTC4279 simplifies IEEE and LTPoE++ PSE implementation, requiring only a 45-57V supply and a small ...

Demo Board 

 

DC2047A-A - LT4276B/LT4321 Demo Board | PoE+ (25W, 12V/1.9A) PD with DC/DC, Ideal Diode Bridge and 9V-57V AUX

Dec 13th 2016
Demonstration circuit 2047A-A is an IEEE802.3at compliant Power over Ethernet (PoE) Powered Device (PD) with support for 9-57VDC and 24VAC auxiliary supply input. It features the LT®4276 PD interface and switching regulator controller, the LT4321 PoE ideal diode bridge controller, and the LT4320 ideal diode bridge controller. ...

Demo Board 

 

DC2475A-A - LT4295/LT4321 Demo Board | PoE++ (40W, 12V/3A) PD with Flyback DC/DC and Ideal Diode Bridge

Dec 13th 2016
Demonstration circuit 2475A-A is an IEEE802.3bt (Draft 2.0) compliant Power over Ethernet (PoE) powered device (PD). It features the LT®4295 PD interface and switching regulator controller with the LT4321 PoE ideal diode bridge controller. ...

Demo Board 

 

LTC3723-1 130W Isolated Push-Pull Converter for PoE Applications with 93.5% Peak Efficiency

Jeoffrey (Zijian) Wang - Applications Engineer Oct 3rd 2016
This solution is a non-synchronous isolated push-pull converter designed for PoE applications, which can generate a 50V/2.6A output from a 34-38V (36V typical) input voltage range. A 93.5% peak efficiency is achieved for the whole isolated converter and the total solution can be fit into 1/8 brick footprint (2.3” x 0.9”) ...

Circuit LTspice 

 

IEEE 802.3bt PD Controller Paves Path to Higher Power

Sep 12th 2016
MILPITAS, CA – September 12, 2016 – Linear Technology Corporation introduces the LT4295 IEEE 802.3bt powered device (PD) interface controller for applications requiring up to 71W of delivered power. The next Power over Ethernet (PoE) standard – IEEE 802.3bt – enables manufacturers to go beyond the 25.5W ...

Press Release 

 

LTspice SOAtherm Support for PCB and Heat Sink Thermal Models

Dan Eddleman - Senior Applications Engineer Sep 1st 2016
The SOAtherm model distributed with LTspice software and simplifies Hot Swap and Surge Stopper designs by verifying directly within a circuit simulation that a particular MOSFET’s Safe Operating Area (SOA) is not exceeded. This article assumes a basic understanding of the SOAtherm model. If you are not familiar with SOAtherm, ...

Blog Post LTspice 

 

DC1840C - LTC4270B/LTC4271 Demo Board Kit | DC1680 + DC1682, 12-Port 25.5W PSE (req DC590)

Jun 1st 2016
Demonstration kit DC1840C is a 12-port IEEE 802.3at Type 2 power sourcing equipment (PSE) composed of a DC1682B daughter card and DC1680B mother board. The kit is used for evaluation of the LTC4270B and LTC4271 PSE chipset. Up to 12 powered devices (PDs) can be connected and powered from this system using a single power supply. ...

Demo Board QuikEval System 

 

DC1843B - LTC4290B/LTC4271: (DC1680 + DC1842) 8-Port 25.5W Demo Kit (req DC590)

Dec 4th 2015
Demonstration kit DC1843B is an 8-port IEEE 802.3at Type 2 power sourcing equipment (PSE) composed of a DC1842B daughter card and DC1680B motherboard. The kit is used for evaluation of the LTC4290B and LTC4271 PSE chipset. Up to 8 powered devices (PDs) can be connected and powered from this system using a single power supply. ...

Demo Board QuikEval System 

 

DC1366B - LTC4266 Demo Board | 25.5W PoE+ 4-Port Midspan PSE (req. DC590)

Nov 9th 2015
Demonstration circuit DC1366B features the LTC®4266, a quad network power controller with I2C® interface, designed for use in IEEE 802.3at compliant Power Sourcing Equipment (PSE). Integrated into a tiny 5mm × 7mm 38-pin QFN package are four independent channels controlling external N-channel power MOSFETs. ...

Demo Board 

 

DC1567B - LTC4274 Demo Board | IEEE802.3at Power Over Ethernet PSE

Oct 5th 2015
Demonstration circuit 1567B features the LTC®4274, a single power sourcing equipment (PSE) controller designed for use in IEEE 802.3 Type 1 (~13W at the PD) and Type 2 (~25.5W at the PD) compliant Power over Ethernet (PoE) systems. The LTC4274 is configured in the DC1567B as a midspan power injector where data comes in from ...

Demo Board 

 

DC2262A-B - LT4276A/LT4321 Demo Board | LTPoE++ (90W, 12V/7A) PD with DC/DC and Ideal Diode Bridge

Aug 20th 2015
Demonstration circuit 2262 is a PoE Powered Device (PD) with a synchronous forward isolated power supply featuring the LT®4276 and an ideal diode bridge controller (LT4321).  The LT4276 provides IEEE802.3af (PoE, Type 1), IEEE802.3at (PoE+, Type 2), and LTPoE++ PD interfacing and power supply control. When the PD is ...

Demo Board 

 

DC2262A-A - LT4276A/LT4321 Demo Board | LTPoE++ (70W, 5V/13A) PD with DC/DC and Ideal Diode Bridge

Aug 20th 2015
Demonstration circuit 2262 is a PoE Powered Device (PD) with a synchronous forward isolated power supply featuring the LT®4276 and an ideal diode bridge controller (LT4321).  The LT4276 provides IEEE802.3af (PoE, Type 1), IEEE802.3at (PoE+, Type 2), and LTPoE++ PD interfacing and power supply control. When the PD is ...

Demo Board 

 

DC2046A-F - LT4276C/LT4321 Demo Board | PoE (13W, 5V/2.3A) PD with DC/DC and Ideal Diode Bridge

Jul 10th 2015
Demonstration circuit 2046A-F is a PoE powered device (PD) with an isolated power supply using synchronous flyback topology, featuring the LT4276 and ideal diode bridge controller (LT4321). ...

Demo Board 

 

DC2046A-E - LT4276A/LT4321 Demo Board | LTPoE++ (38.7W, 5V/7A) PD with DC/DC and Ideal Diode Bridge

Jul 10th 2015
Demonstration circuit 2046A-E is a PoE powered device (PD) with an isolated power supply using synchronous flyback topology, featuring the LT4276 and ideal diode bridge controller (LT4321). ...

Demo Board 

 

DC2046A-D - LT4276B/LT4321 Demo Board | PoE+(25W, 24V/1A) PD with DC/DC and Ideal Diode Bridge

Jul 10th 2015
Demonstration circuit 2046A-D is a PoE powered device (PD) with an isolated power supply using synchronous flyback topology, featuring the LT4276 and ideal diode bridge controller (LT4321). ...

Demo Board 

 

DC2046A-C - LT4276B/LT4321 Demo Board | PoE+ (25W, 12V/1.9A) PD with DC/DC and Ideal Diode Bridge

Jul 10th 2015
Demonstration circuit 2046A-C is a PoE powered device (PD) with an isolated power supply using synchronous flyback topology, featuring the LT4276 and ideal diode bridge controller (LT4321). ...

Demo Board 

 

DC2046A-B - LT4276B/LT4321 Demo Board | PoE+ (25W, 5V/4.7A) PD with DC/DC and Ideal Diode Bridge

Jul 10th 2015
Demonstration circuit 2046A-B is a PoE powered device (PD) with an isolated power supply using synchronous flyback topology, featuring the LT4276 and ideal diode bridge controller (LT4321) ...

Demo Board 

 

DC2046A-A - LT4276B/LT4321 Demo Board | PoE+ (25W, 3.3V/6.8A) PD with DC/DC and Ideal Diode Bridge

Jul 10th 2015
Demonstration circuit 2046A-A is a PoE powered device (PD) with an isolated power supply using synchronous flyback topology, featuring the LT4276 and ideal diode bridge controller (LT4321). ...

Demo Board 

 

High Efficiency LTPoE++ PD Controllers Integrate Forward/Flyback Controller

Jul 7th 2015
MILPITAS, CA - July 7, 2015 - Linear Technology Corporation introduces the LT4276 LTPoE++™, PoE+ and PoE-compliant powered device (PD) interface controllers for applications requiring 2W to 90W of delivered power. The LT4276 integrates a PD controller and an isolated switching regulator controller, capable of synchronous operation ...

Press Release 

 

LTC4226 Parallel MOSFETs in Hot Swap Circuits

Dan Eddleman - Senior Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Mar 13th 2015
The Good, the Bad, and the Ugly Introduction While it is often desirable, and sometimes absolutely critical, to use multiple parallel MOSFETs in Hot Swap™ circuits, careful analysis of Safe Operating Area (SOA) is essential. Each additional parallel MOSFET added to a circuit improves the voltage drop, power loss, and ...

Blog Post Circuit LTspice 

 

DC2171A-B - LTM4625 Demo Board | Step-Down μModule Regulator, 4V ≤ VIN ≤ 20V, Vout = 0.6V to 5V @ 5A

Feb 3rd 2015
Demonstration circuit 2171A-B features the LTM®4625 μModule® regulator, a tiny low profile high performance step-down regulator. The LTM4625 has an operating input voltage range of 4V to 20V and is able to provide an output current of up to 5A. The output voltage is jumper-selectable and can be set to 1.0V, 1.2V, ...

Demo Board LTpowerCAD LTspice 

 

DC2125A - LT4275/LT4321/LTM8027 Demo Board | LTPoE++ PD Plus Diode Bridge & DC/DC Controller

Jan 14th 2015
Demonstration circuit 2125 is a small, highly-integrated, non-isolated PoE Powered Device (PD) solution. It features a PD Interface Controller (LT®4275), which interfaces with a PoE Power Sourcing Equipment (PSE), an ideal diode bridge controller (LT4321), which minimizes bridge losses, and a DC/DC μModule® regulator ...

Demo Board 

 

LT4321/LT4275 LTPoE++/PoE+/PoE PD Controller TechClips

Oct 24th 2013
Power over ethernet is a continuing trend in the Ethernet world. The current IEEE standard allows for up to 25.5W of PD input power. LTPoE++ is Linear Technology's solution to meet the demand for greater power with 38.7W, 52.7W, 70W and 90W power levels. Heat generated by Power Over Ethernet powered device (PD) is a design ...

Blog Post Video 

 

DC2093A-C - LT4275C/LT4321 PoE PD Demo Board

Oct 22nd 2013
DC2093A-C - Demo Board for:LT4275 - LTPoE++/PoE+/PoE PD ControllerLT4321 - PoE Ideal Diode Bridge Controller ...

Demo Board 

 

DC2093A-B - LT4275B/LT4321 PoE+/PoE PD Demo Board

Oct 22nd 2013
DC2093A-B - Demo Board for:LT4275 - LTPoE++/PoE+/PoE PD ControllerLT4321 - PoE Ideal Diode Bridge Controller ...

Demo Board 

 

Active Bridge Rectifiers Reduce Heat Dissipation within PoE Security Cameras

Ryan Huff - PoE Applications Engineer Oct 1st 2013
Introduction Power over Ethernet (PoE) has been embraced by the video surveillance industry as a solution to an age-old problem: complicated cabling. For instance, a basic, traditional fixed-view security camera requires two cables: one for power (10W to 15W from a 24V AC or 12V DC), and a separate, coax cable for the video ...

Blog Post 

 

Isolated 8-Port PoE PSE Controllers Eliminate Optos for Lowest Solution Cost

Apr 29th 2013
MILPITAS, CA – April 29, 2013 – Linear Technology Corporation introduces the LTC4290/LTC4271 isolated 8-port power source equipment (PSE) controller chipset designed for use in IEEE 802.3at (PoE+) Type 1- and Type 2-compliant Power-over-Ethernet (PoE) systems. The LTC4290/4271 provides 8 independent PSE channels for simpler ...

Press Release 

 

DC1351B - LTC4269-2 | PoE Powered Device w/48V Isolated Auxiliary, Vout = 5V, Iout = 5A

Jan 23rd 2013
DC1351B - Demo Board for:LTC4269-2 - IEEE 802.3at High Power PD and Synchronous Forward Controller with AUX Support ...

Demo Board 

 

LTPoE++ PSE & PD Controllers - Video Product Brief

Chris Gobok - Product Marketing Engineer Sep 21st 2012
Power over Ethernet, or PoE, is an increasingly popular way to deliver both power and data over existing Ethernet cable, thus freeing applications from the constraint of AC-power proximity. As the number PoE solutions has grown so has the applications’ appetite for power. A new proprietary standard, LTPoE++™, satisfies this ...

Video 

 

High Efficiency PoE++ PD Controllers Provide up to 90W Delivered Power

Aug 27th 2012
MILPITAS, CA – August 27, 2012 – Linear Technology Corporation introduces the LT4275, LTPoE++™, PoE+ and PoE-compliant powered device (PD) interface controllers for applications requiring up to 90W of delivered power. PoE+ limits the maximum PD power delivery to 25.5W, which is insufficient to power today’s new class ...

Press Release 

 

DC2093A-A - LT4275A/LT4321 LTPoE++/PoE+/PoE PD Demo Board

Jul 31st 2012
DC2093A-A - Demo Board for:LT4275 - LTPoE++/PoE+/PoE PD ControllerLT4321 - PoE Ideal Diode Bridge Controller ...

Demo Board 

 

DC1561B - LTC4278 IEEE802.3at PD Controller with 12V Aux, Vout = 5V, Iout = 4.5A

May 18th 2012
DC1561B - Demo Board for:LTC4278 - IEEE 802.3at PD with Synchronous No-Opto Flyback Controller and 12V Aux Support ...

Demo Board 

 

DC1814A-C - LTC4274A-3 Demo Board | LTPoE++ (70W) PSE

Oct 21st 2011
Demonstration circuit 1814A features the LTC®4274A, single port power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while ...

Demo Board 

 

DC1814A-B - LTC4274A-2 Demo Board | LTPoE++ (52.7W) PSE

Oct 21st 2011
Demonstration circuit 1814A features the LTC®4274A, single port power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while ...

Demo Board 

 

DC1815A-B - LTC4266A-2 Demo Board | 4-Port 52.7W LTPoE++ PSE (req. DC590)

Oct 21st 2011
Demonstration circuit 1815A features the LTC®4266A quad power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/ classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while remaining ...

Demo Board QuikEval System 

 

DC1815A-D - LTC4266A-4 Demo Board | 4-Port 90W LTPoE++ PSE (req. DC590)

Oct 21st 2011
Demonstration circuit 1815A features the LTC®4266A quad power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/ classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while remaining ...

Demo Board QuikEval System 

 

DC1815A-C - LTC4266A-3 Demo Board | 4-Port 70W LTPoE++ PSE (req. DC590)

Oct 21st 2011
Demonstration circuit 1815A features the LTC®4266A quad power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/ classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while remaining ...

Demo Board QuikEval System 

 

DC1815A-A - LTC4266A-1 Demo Board | 4-Port 38.7W LTPoE++ PSE (req. DC590)

Oct 21st 2011
Demonstration circuit 1815A features the LTC®4266A quad power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/ classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while remaining ...

Demo Board QuikEval System 

 

DC1814A-A - LTC4274A-1 Demo Board | LTPoE++ (38.7W) PSE

Sep 28th 2011
Demonstration circuit 1814A features the LTC®4274A, single port power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while ...

Demo Board 

 

DC804B-A - LTC4267CDHC | RJ-45 Ethernet Output, Vout = 3.3V @ 1.0A

Aug 16th 2011
Demonstration circuit 804 is a POWER OVER ETHERNET PD INTERFACE WITH INTEGRATED SWITCHING REGULATOR featuring the LTC4267. It provides a complete IEEE 802.3af power device (PD) interface and isolated 3.3V power supply solution for use in Power over Ethernet (PoE) applications. ...

Demo Board 

 

DC1145B - LTC4267CDHC | PoE Powered Device w/12V Isolated Auxiliary, Vout = 12V @ 0.9A

Jul 26th 2011
Demonstration circuit 1145B, featuring the LTC®4267, provides a complete IEEE 802.3af Powered Device (PD) interface and isolated 12V at 0.9A power supply solution for use in Power over Ethernet (PoE) applications. An optional connection is included for a 12V auxiliary supply on the secondary side that disables PoE when present. ...

Demo Board 

 

DC1335B-B - LTC4269-1 | PoE Powered Device w/48V Isolated Auxiliary, Vout = 5V, Iout = 5A

Jun 28th 2011
DC1335B-B - Demo Board for:LTC4269-1 - IEEE 802.3at PD with Synchronous No-Opto Flyback Controller ...

Demo Board 

 

Quad & Single LTPoE++ PSE Controllers Deliver Up to 90W

Jun 28th 2011
MILPITAS, CA – June 28, 2011 – Linear Technology Corporation introduces the LTC4266A and LTC4274A, 4-port and single-port Power over Ethernet (PoE) controllers for Power Sourcing Equipment (PSE), delivering up to 90W of power to Powered Devices (PDs). The current IEEE standard, 802.3at (also known as PoE+), limits the maximum available ...

Press Release 

 

Isolated 12-Port Power over Ethernet PSE Controller Chipset Eliminates Optos for Lowest Solution Cost

May 2nd 2011
MILPITAS, CA – May 2, 2011 – Linear Technology Corporation introduces the LTC4270/ LTC4271 isolated 12-port Power Source Equipment (PSE) controller chipset designed for use in IEEE 802.3at (PoE+) Type 1 and Type 2 compliant Power over Ethernet (PoE) systems. The LTC4270/71 provides 12 independent PSE channels for simpler, ...

Press Release 

 

DC1814A-D - LTC4274A-4 Demo Board | LTPoE++ (90W) PSE

Mar 23rd 2011
Demonstration circuit 1814A features the LTC®4274A, single port power sourcing equipment (PSE) controller, capable of delivering up to 90W of LTPoE++™ power to a compatible LTPoE++ powered device (PD). A proprietary detection/classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while ...

Demo Board 

 

DC609C - [Use DC1366A (LTC4266) for new designs!] 4-port demo board using LTC4259ACGW (req DC590)

Jan 12th 2011
DC609C - Demo Board for:LTC4259A - Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect ...

Demo Board QuikEval System 

 

DC1335B-C - LTC4269-1 | PoE Powered Device w/48V Isolated Auxiliary, Vout = 12V, Iout = 2A

Apr 15th 2010
DC1335B-C - Demo Board for:LTC4269-1 - IEEE 802.3at PD with Synchronous No-Opto Flyback Controller ...

Demo Board 

 

High Efficiency PSE Controller Addresses New IEEE 802.3at PoE+ Standard

Nov 11th 2009
MILPITAS, CA - November 11, 2009 - Linear Technology Corporation introduces the LTC4274, a single-channel Power over Ethernet (PoE) controller for power sourcing equipment (PSE) required to provide IEEE 802.3at (25.5W) or proprietary higher power levels. Next-generation PoE applications call for more power to support demanding ...

Press Release 

 

High Power PD Controllers with Built-In Switchers Address IEEE 802.3at PoE+ Standard

Jun 30th 2009
MILPITAS, CA - June 30, 2009 - Linear Technology Corporation introduces the LTC4269-1, LTC4269-2 and LTC4278, IEEE 802.3at compliant Power over Ethernet (PoE+) interface controllers with integrated switching regulators for high-power Powered Device (PD) applications up to 25.5W and beyond. The new IEEE 802.3at definition, also ...

Press Release 

 

High Efficiency Quad PSE Controller Addresses IEEE 802.3at PoE+ Standard

Jun 1st 2009
MILPITAS, CA - June 1, 2009 - Linear Technology Corporation introduces the LTC4266, a 4-port Power over Ethernet (PoE) controller for Power Sourcing Equipment (PSE) required to provide IEEE 802.3at (25.5W) or proprietary higher power levels. Next-generation PoE applications call for more power to support demanding features, ...

Press Release 

 

High Power PD Controller Addresses IEEE 802.3at PoE+ Standard

Dec 8th 2008
MILPITAS, CA - December 8, 2008 - Linear Technology Corporation introduces the LTC4265, an 802.3af/802.3at compliant Power over Ethernet (PoE) interface controller for high-power Powered Device (PD) applications needing up to 25.5W. In 2003, the IEEE 802.3af definition specified a maximum power delivery of up to 12.95W, which ...

Press Release 

 

DC1415A - LTC4265 IEEE802.3at PD Controller

Dec 2nd 2008
DC1415A - Demo Board for:LTC4265 - IEEE 802.3 at High Power PD Interface Controller with 2-Event Classification Recognition ...

Demo Board 

 

35W Power over Ethernet PD Controller with Synchronous NoOpto Flyback Controller Bridges the PoE+ Gap

Aug 28th 2007
MILPITAS, CA – August 28, 2007 – Linear Technology introduces the LTC4268-1, a Power over Ethernet (PoE) interface controller with a synchronous, current mode, switching regulator for delivering precise regulation and high efficiency to power-hungry Powered Devices (PDs). The LTC4268-1 provides up to 35W for 2-pair systems ...

Press Release 

 

DC1080A - LTC4268 High Power PD with Synchronous NoOpto Flyback Controller

Aug 13th 2007
DC1080A - Demo Board for:LTC4268-1 - High Power PD with Synchronous NoOpto Flyback Controller ...

Demo Board 

 

DC1249A - LTC4267-3 PD, 37-57V input, 3.3V@ 3A out

Jul 17th 2007
DC1249A - Demo Board for:LTC4267-3 - Power over Ethernet IEEE 802.3af PD Interface with Integrated 300kHz Switching Regulator ...

Demo Board 

 

35W Power over Ethernet PD Controller Enables Emerging PoE+ Applications

Apr 9th 2007
MILPITAS, CA - April 9, 2007 - Linear Technology Corporation introduces the LTC4264, a Power over Ethernet (PoE) interface controller for high-power Powered Device (PD) applications.  The LTC4264 allows users to develop power-hungry applications beyond the IEEE 802.3af-mandated 12.95W limit, while still maintaining backward ...

Press Release 

 

DC1049A - LTC4264 - High Power PD Interface Controller with 750mA Current Limit

Mar 19th 2007
DC1049A - Demo Board for:LTC4264 - High Power PD Interface Controller with 750mA Current Limit ...

Demo Board 

 

Single Port Power Over Ethernet Controller Simplifies PSE Design

Nov 13th 2006
MILPITAS, CA - November 13, 2006 - Linear Technology Corporation introduces the LTC4263, an autonomous single-channel Power Sourcing Equipment (PSE) controller with an onboard MOSFET for use in IEEE 802.3af Power Over Ethernet (PoE) compliant systems. Requiring only a few external components, the IC is a complete single-port ...

Press Release 

 

DC981A/B - LTC4263 DC981A Midspan demoboard with DC981B Endspan plugin

Apr 7th 2006
DC981A/B - Demo Board for:LTC4263 - Single IEEE 802.3af Compliant PSE Controller with Internal Switch ...

Demo Board 

 

DC859A - LTC4267IDHC Triple-Output PD for PoE

May 24th 2005
DC859A - Demo Board for:LTC4267 - Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator ...

Demo Board 

 

DC917A - LTC4267| PoE to 3.3V@2.6A Isolated

May 24th 2005
DC917A - Demo Board for:LTC4267 - Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator ...

Demo Board 

 

DC671A - LTC4257CS8-1 | Power-Over-Ethernet Interface Controller, Vsig = 48V, Vout = 3.3V

May 15th 2003
DC671A - Demo Board for:LTC4257-1 - IEEE 802.3af PD Power over Ethernet Interface Controller with Dual Current Limit ...

Demo Board