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dc2541af

DEMO MANUAL DC2541A

Linear Technology  Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417  

(408) 432-1900 

 

FAX

: (408) 434-0507 

 

www.linear.com

© LINEAR TECHNOLOGY CORPORATION 2017

LT 0117 • PRINTED IN USA

DEMONSTRATION BOARD IMPORTANT NOTICE

Linear Technology Corporation (LTC) provides the enclosed product(s) under the following 

AS IS

 conditions:

This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for 

ENGINEERING DEVELOPMENT 

OR EVALUATION PURPOSES ONLY

 and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete 

in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety 

measures typically found in finished commercial goods. As a prototype, this product does not fall within the scope of the European Union 

directive on electromagnetic compatibility and therefore may or may not meet the technical requirements of the directive, or other regulations.
If this evaluation kit does not meet the specifications recited in the DEMO BOARD manual the kit may be returned within 30 days from the date 

of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY THE SELLER TO BUYER AND IS IN LIEU 

OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS 

FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THIS INDEMNITY, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR 

ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user releases LTC from all claims 

arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and all 

appropriate precautions with regard to electrostatic discharge. Also be aware that the products herein may not be regulatory compliant or 

agency certified (FCC, UL, CE, etc.).
No License is granted under any patent right or other intellectual property whatsoever. 

LTC assumes no liability for applications assistance, 

customer product design, software performance, or infringement of patents or any other intellectual property rights of any kind.

LTC currently services a variety of customers for products around the world, and therefore this transaction 

is not exclusive

.

Please read the DEMO BOARD manual prior to handling the product

. Persons handling this product must have electronics training and 

observe good laboratory practice standards. 

Common sense is encouraged

.

This notice contains important safety information about temperatures and voltages. For further safety concerns, please contact a LTC application 

engineer.

Mailing Address:

Linear Technology

1630 McCarthy Blvd.

Milpitas, CA 95035

Copyright © 2004, Linear Technology Corporation

           

Содержание DC2541A

Страница 1: ...setting the LTC4279 power mode LEGACY pin DUALPD pin and L LT LTC LTM Linear Technology LTPoE and the Linear logo are registered trademarks of Linear Technology Corporation All other trademarks are th...

Страница 2: ...ts 5 Connect a PD with a Cat5e Ethernet cable to RJ45 connector J1 PORT PWR LED2 will turn on if the port power is on 6 Connect a 10BASE T 100BASE T or 1000BASE T PHY datasourcewithanEthernetcabletoJ2...

Страница 3: ...lassresult thePDisallocated power if sufficient power is available The DC2541A does not support the LTC4279 UltraPWR mode Refer to the DC2579A for LTC4279 UltraPWR evaluation Power Supply Range The po...

Страница 4: ...MODEmustbesetto52 7W or greater When the LTC4279 DUALPD pin is low dual signature PD support is disabled The LTC4279 DUALPD pin is internally pulled down to VEE if the shunt at JP4 is removed Warning...

Страница 5: ...MOSFET The LTC4279 VEE pins and the sense resistor VEE pad connect to the VEE copper areas Figure 2 DC2541A Kelvin Sense Recommended Component Selection The DC2541A power path components RS1 Q1 and T...

Страница 6: ...6 dc2541af DEMO MANUAL DC2541A PCB Layout Top Assembly Top Layer...

Страница 7: ...7 dc2541af DEMO MANUAL DC2541A Inner Layer 2 Inner Layer 3...

Страница 8: ...8 dc2541af DEMO MANUAL DC2541A Bottom Layer Bottom Assembly...

Страница 9: ...BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT...

Страница 10: ...ORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTA...

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