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dc2195bf

DEMO MANUAL DC2195B

Linear Technology  Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417  

(408) 432-1900 

 

FAX

: (408) 434-0507 

 

www.linear.com

 

LINEAR TECHNOLOGY CORPORATION 2016

LT 0216 REV B • 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 LT8609

Page 1: ...re registered trademarks of Linear Technology Corporation All other trademarks are the property of their respective owners PERFORMANCE SUMMARY spectrum operation To synchronize to an external clock move JP1 to SYNC and apply the external clock to the SYNC turret Figure 1 shows the efficiency of the circuit The demo board has an EMI filter installed Under spread spectrum operation the radiated EMI ...

Page 2: ...y measurements are desired an ammeter can be put in series with the output load in order to measure the DC2195B s output current b A voltmeter can be placed across the output terminals inordertogetanaccurateoutputvoltagemeasurement 6 Turn on the power at the input NOTE If there is no output temporarily disconnect the load to make sure that the load is not set too high 7 Once the proper output volt...

Page 3: ...B QUICK START PROCEDURE Figure 2 LT8609A Demo Circuit EMI Performance in CISPR25 Radiated Emission Test VIN 14V VOUT 5V IOUT 2A 2MHz Switching Frequency Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 4: ...T PROCEDURE Figure 3 LT8609 Demo Circuit EMI Performance in CISPR25 Radiated Emission Test VIN 14V VOUT 5V IOUT 2A 2MHz Switching Frequency Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 5: ...ICK START PROCEDURE Figure 4 Proper Measurement Equipment Setup Figure 5 Measuring Output Ripple VOUT GND Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 6: ...0 LINEAR TECH LT8609AEMSE PBF DC2195B B Version Specific Components 1 1 U1 IC REGULATOR MSE10 LINEAR TECH LT8609EMSE PBF Additional Demo Board Circuit Components 1 1 C1 CAP ALUM 22µF 63V SUN ELECT 63CE22BS 2 2 C3 C10 CAP X7R 4 7µF 50V 10 1206 MURATA GRM31CR71H475K 3 1 C9 CAP X7R 4 7µF 16V 10 0805 MURATA GRM21BR71C475K73L 4 1 C11 CAP X7R 1µF 50V 10 0805 TDK C2012X7R1H105K 5 2 C12 C13 CAP X7R 0 1µF ...

Page 7: ...OR ASSEMBLY VERSIONS U1 DC2195B A LT8609AEMSE DC2195B B LT8609EMSE VOUT VCC VCC R2 18 2k E6 EN UV E5 SYNC E9 GND L1 2 2µH XFL4020 222MEC C1 22µF 63V R4 1 00M C6 47µF 10V 1210 E7 TR SS C11 1µF 50V 0805 C8 0 01µF C4 0 22µF C10 4 7µF 50V 1206 R3 49 9k E8 PG C7 1µF R6 Opt E3 VOUT 5V 2A JP1 1 2 3 5 7 4 6 8 E4 GND L2 0 2010 R1 1 00M R5 187k C5 10pF E1 VEMI 5 5V 42V C3 4 7µF 50V 1206 C13 0 1µF 50V C2 4 7...

Page 8: ...HIS 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 ap...

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