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dc2139af

DEMO MANUAL DC2139A

Linear Technology  Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417  

(408) 432-1900 

 

FAX

: (408) 434-0507 

 

www.linear.com

 

LINEAR TECHNOLOGY CORPORATION 2014

LT 0614 • 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 applica-

tion engineer.

Mailing Address:

Linear Technology

1630 McCarthy Blvd.

Milpitas, CA 95035

Copyright © 2004, Linear Technology Corporation

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Summary of Contents for LT8610A

Page 1: ...nd the Linear logo are registered trademarks of Linear Technology Corporation All other trademarks are the property of their respective owners Performance Summary output current and 2MHz switching frequency the tem perature rise will be significant Either reducing the input voltage the output current or the switching frequency will bring the temperature down to acceptable level without external co...

Page 2: ...EMI and GND 2 With power off connect the load VOUT and GND 3 Check JP1 setting 4 Turn on the power at the input 5 Carefully evaluate other design parameters as needed Figure 1 LT8610A 12VIN to 5VOUT Efficiency at 2MHz Switching Frequency Figure 2 LT8610A Case Temperature Rise VOUT 5V TA 25 C LOAD CURRENT A 0 EFFICIENCY 100 95 85 75 90 80 70 65 60 2 1 3 DC2139a F01 INPUT VOLTAGE V 8 CASE TEMPERATUR...

Page 3: ...rmance VIN 12V VOUT 5V IOUT 2 5A Antenna Polarization Horizontal Switching Frequency 2MHz Figure 4 30MHz to 1GHz Radiated EMI Performance VIN 12V VOUT 5V IOUT 2 5A Antenna Polarization Vertical Switching Frequency 2MHz Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 4: ...2V VOUT 5V IOUT 2 5A Antenna Polarization Vertical Switching Frequency 2MHz In the frequency range between 150kHz and 30MHz only vertical polarization is required Quick Start Procedure Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 5: ...9A Figure 6 Proper Measurement Equipment Setup Figure 7 Measure Output Ripple Quick Start Procedure Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 6: ...KFKED 11 1 U1 IC LT8610AEMSE MSE16 LINEAR TECHNOLOGY CORPORATION LT8610AEMSE PBF Additional Demo Board Circuit Components 1 1 C1 CAP ALUM 22µF 63V SUN ELECT 63CE22BS 2 4 C3 C10 C18 C20 CAP X7R 4 7µF 50V 10 1206 MURATA GRM31CR71H475KA12L 3 1 C9 CAP X7R 1µF 16V 10 0805 AVX 0805YC105KAT2A 4 6 C11 C12 C13 C15 C16 C17 CAP X7R 0 1µF 50V 10 0402 TDK C1005X7R1H104K 5 1 FB1 FERRITE BEAD 0805 TDK MPZ2012S10...

Page 7: ...D 17 C12 0 1uF 50V C12 0 1uF 50V E10 VIN 5 5V 42V E10 VIN 5 5V 42V C17 0 1uF 50V C17 0 1uF 50V JP1 GND SYNC JP1 GND SYNC 1 3 2 C18 4 7uF 50V 1206 C18 4 7uF 50V 1206 C7 1uF 10V C7 1uF 10V E5 SYNC E5 SYNC C11 0 1uF 50V C11 0 1uF 50V L1 2 2uH XAL5030 222MEC L1 2 2uH XAL5030 222MEC R2 18 2k 0603 R2 18 2k 0603 C19 4 7uF 50V 1206 C19 4 7uF 50V 1206 FB1 FB1 E7 TR SS E7 TR SS C9 1uF 0805 16V C9 1uF 0805 1...

Page 8: ... 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 appro...

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