background image

8

dc2681aaf

DEMO MANUAL DC2681A-A

 

LINEAR TECHNOLOGY CORPORATION 2017

LT 0517 • 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

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Summary of Contents for LTM4645

Page 1: ...efficiency at low load currents the MODE_PLLIN jumper selects pulse skipping mode for noise sensitive applications or burst mode operation in L LT LTC LTM Module Linear Technology and the Linear logo...

Page 2: ...am eters 5 Optional For optional load transient test apply an adjustable pulse signal between IOSTEP_CLK and GND test points The pulse amplitude sets the load step cur rent amplitude Keep the pulse wi...

Page 3: ...3 dc2681aaf DEMO MANUAL DC2681A A QUICK START PROCEDURE Figure 1 Measurement Setup of DC2681A A LOAD VIN dc2681aaf F01 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Page 4: ...00 25 00 OUTPUT CURRENT A 1 8 VOUT 1 5 VOUT 1 2 VOUT 1 0 VOUT 0 8 VOUT dc2681aaf F02 VOUT 50mV DIV IOUT_STEP 10A DIV dc2681aaf F03 Figure 2 Measured Efficiency at VIN 12 0V fSW 600kHz CCM Figure 3 Me...

Page 5: ...ROCEDURE Figure 4 Thermal Image of LTM4645 VIN 12V VOUT 1 0V ILOAD 25A Ambient Temperature 25 0 C No Forced Air Flow Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downl...

Page 6: ...SHAY WSL2010R0100FEA 17 1 R25 RES 2 2 1 10W 5 0603 VISHAY CRCW06032R2JNEA 18 1 R26 RES 50k 1 10W 1 0603 VISHAY CRCW060350K0FKEA 19 1 U1 IC LTM4645EY PBF BGA77 15 9 5 01 LINEAR TECH LTM4645EY PBF Addit...

Page 7: ...FOR USE WITH LINEAR TECHNOLOGY PARTS SCALE NONE www linear com 1 Monday February 27 2017 1 1 SINGLE OUTPUT HIGH EFFICIENCY STEP DOWN LT YL B LTM4645EY LTM4647EY DEMO CIRCUIT 2681A A B SIZE DATE IC NO...

Page 8: ...THER 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 cla...

Reviews: