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dc2172af

DEMO MANUAL DC2172A

Linear Technology  Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417  

(408) 432-1900 

 

FAX

: (408) 434-0507 

 

www.linear.com

 

LINEAR TECHNOLOGY CORPORATION 2015

LT 0115 • 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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Содержание LTC7138

Страница 1: ...arks are the property of their respective owners Performance Summary FBO turret to tie two or more LTC7138 regulators to gether if the application requires more load current Optional UVLO and OVLO div...

Страница 2: ...5 Next apply 400mA load to the output and re measure VOUT 6 OncetheDCregulationisconfirmed observetheoutput voltage ripple load step response efficiency and other parameters for the 5V 3 3V and 1 8V o...

Страница 3: ...Quick Start Procedure VOUT LOAD IOUT VIN SUPPLY IIN VOUT GND COUT Figure 1 Proper Measurement Equipment Setup Figure 2 Measuring Output Voltage Ripple Downloaded from Arrow com Downloaded from Arrow...

Страница 4: ...OUT 5V 140VIN 100VIN 48VIN 12VIN dc2172a F03 Figure 3 Efficiency at 5VOUT Figure 4 Efficiency at 3 3VOUT 0 10 20 30 40 50 60 70 80 0 01 0 10 1 10 100 1 000 Efficiency Load Current mA dc2172a F04 140VI...

Страница 5: ...30 40 50 60 70 0 01 0 10 1 10 100 1 000 Efficiency Load Current mA dc2172a F05 140VIN 100VIN 48VIN 12VIN VOUT 1 8V L Sumida CDRH105RNP 151NC 150 H DCR 285m typ Downloaded from Arrow com Downloaded fr...

Страница 6: ...DA CDRH105RNP 151NC 8 1 R1 RES 2M 0603 5 1 10W VISHAY CRCW06032M00JNEA 9 1 U1 IC LTC7138EMSE LINEAR TECH LTC7138EMSE PBF Additional Demo Board Circuit Components 1 0 C3 CAP 0603 OPTION OPTION 2 0 C8 C...

Страница 7: ...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 SUBSTITUTI...

Страница 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...

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