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dc2120af

DEMO MANUAL DC2120A

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 0314 • 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 DC2120A

Page 1: ...logy Corporation All other trademarks are the property of their respective owners Performance Summary The LT3048 data sheet gives a complete description of the part operation and application information The data sheet must be read in conjunction with this Quick Start Guide for the demo circuit DC2120A Design files for this circuit board are available at http www linear com demo DC2120A Specificati...

Page 2: ...wer supply to VIN and GND 3 Turn on the power at the input NOTE Make sure that the input voltage does not exceed 4 8V 4 Connect a 20mA load from VOUT to GND and check for the proper output voltage VOUT 14 625V to 15 375V If there is no output temporarily disconnect the load to make sure that the load is not set too high 5 Oncetheproperoutputvoltagesareestablished adjust the input voltage and load ...

Page 3: ...dc2120af DEMO MANUAL DC2120A Quick Start Procedure Figure 3 Output Ripple Measurement Technique Figure 4 Output Voltage Ripple Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 4: ...PER Bussmann SD3110 100 R 6 1 U1 IC LT3048EDC 15 PBF DFN 2X2 8 LEAD LINEAR TECH LT3048EDC 15 PBF 7 1 FAB PRINTED CIRCUIT BOARD DEMO BOARD 2120A Additional Demo Board Circuit Components 1 1 C5 CAP X7R 1µF 25V 10 0603 TDK C1608X7R1E105K Hardware For Demo Board Only 1 4 E1 E4 TESTPOINT TURRET 0 094 MILL MAX 2501 2 00 80 00 00 07 0 2 1 JP1 3 PIN 0 079 SINGLE ROW HEADER SULLINS NRPN031PAEN RC 3 1 XJP1 ...

Page 5: ...PACITORS ARE 0603 NOTE UNLESS OTHERWISE SPECIFIED COPPER BUSSMANN SD3110 100 R Vin V Iout mA 2 7 3 3 3 6 19 22 24 4 8 37 C4 1uF 25V C4 1uF 25V C2 2 2uF 25V 0805 C2 2 2uF 25V 0805 E2 VOUT 15V E2 VOUT 15V C5 1uF 25V C5 1uF 25V C3 1nF C3 1nF JP1 RUN ON OFF JP1 RUN ON OFF 1 2 3 E4 GND E4 GND L1 10uH L1 10uH U1 LT3048EDC 15 U1 LT3048EDC 15 SW 1 BYP 4 BSTOUT 8 EN 7 VIN 2 GND 9 LDOIN 6 LDOOUT 5 GND 3 E1 ...

Page 6: ...CEPT 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...

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