Linear Technology DC2221A Demo Manual Download Page 6

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dc2221af

DEMO MANUAL DC2221A

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 0814 • 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

Summary of Contents for DC2221A

Page 1: ...T LTC LTM Burst Mode Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation All other trademarks are the property of their respective owners Performance Summary The40VratedMOSFETs whichareusedonDC2221A can be operated at their rated voltage MOSFETs with higher voltage rating can be used for more safety margin The DC2221A supports the LFPAK PowerPAK SO 8 an...

Page 2: ...pacitor See Figure 2 for proper scope probe technique 1 Place jumper JP1 in the ON position 2 With power off connect the input power supply to VIN and GND 3 Turn on the power at the input Check for the proper output voltage VOUT 11 9V to 12 4V NOTE If there is no output temporarily disconnect the load to make sure that the load is not set too high 4 Once the proper output voltages are established ...

Page 3: ...DEMO MANUAL DC2221A Quick Start Procedure Figure 3 12V Output Efficiency vs Load Burst Mode Operation VIN 16V 24V 36V 89 90 91 92 93 94 95 96 97 98 99 0 1 1 10 100 Efficiency Load Current A VIN 36V VIN 24V VIN 18V ...

Page 4: ...CAP Sanyo 150µF 16V 20 SANYO 16SVPC150M 24 2 C2 C23 CAP X7R 10µF 50V 10 1210 AVX 12105C106KAT2A 25 1 C15 CAP X7R 10µF 16V 10 1206 MURATA GCM31CR71C106KA64L 26 1 C3 CAP Sanyo 82µF 50V 20 SANYO 50HVH82M 27 3 C4 C9 C13 CAP X7R 0 1µF 100V 10 0603 MURATA GRM188R72A104KA35D 28 1 C5 CAP COG 10pF 50V 5 0603 AVX 06035A100JAT2A 29 1 C6 CAP X5R 4 7µF 16V 10 0805 MURATA GRM219R61C475KE15D 30 2 C7 C17 CAP X7R ...

Page 5: ... CURRENT HIGH VOLTAGE STEP DOWN CONVERTER HZ Ding L N A LTC3807EFE DEMO CIRCUIT 2221A SIZE DATE V E R O N C I SHEET OF TITLE APPROVALS PCB DES APP ENG TECHNOLOGY Fax 408 434 0507 Milpitas CA 95035 Phone 408 432 1900 1630 McCarthy Blvd LTC Confidential For Customer Use Only CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEV...

Page 6: ...UDING 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 goo...

Page 7: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Analog Devices Inc DC2221A ...

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