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DEMO MANUAL DC1892A

Linear Technology  Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417  

(408) 432-1900 

 

FAX

: (408) 434-0507 

 

www.linear.com

 

LINEAR TECHNOLOGY CORPORATION 2013

LT 0714 • 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

Содержание DC1892A

Страница 1: ...cted in parallel for a single 36A output solution with optional jumper resistors The board L LT LTC LTM Linear Technology Linear logo and Burst Mode are registered trademarks of Linear Technology Corp...

Страница 2: ...istors R34 or R35 on the backside of boards to apply load transient on channel 1 or channel 2 correspondingly 6 Optional LTM4630canbesynchronizedtoanexternal clock signal Place the JP1 jumper on EXT_C...

Страница 3: ...3 dc1892afa DEMO MANUAL DC1892A Quick Start Procedure A A A LOAD 0A TO 18A LOAD 0A TO 18A VIN 4 5V TO 15V VOUT1 VOUT1 Figure 2 Test Setup of the DC1892A...

Страница 4: ...to 18A Quick Start Procedure Figure 4 Measured Efficiency on Channel 2 VOUT2 1V fSW 500kHz Channel 1 Disabled CCM 0A to 18A LOAD CURRENT A 0 65 EFFICIENCY 90 85 80 75 70 95 10 12 14 16 18 2 4 6 dc1892...

Страница 5: ...cedure Figure 5 Measured Channel 1 9A to 18A Load Transient VIN 12V VOUT1 1 5V Figure 6 Measured Channel 2 9A to 18A Load Transient VIN 12V VOUT2 1V 9A to 18A LOAD STEP 1 5V OUTPUT 20MHz BW 50mV DIV 9...

Страница 6: ...6 dc1892afa DEMO MANUAL DC1892A Figure 7 Thermal Capture at 12VIN 1 5VOUT1 at 18A and 1VOUT2 at 18A TA 25 C 200 LFM Airflow and No Heat Sink Quick Start Procedure...

Страница 7: ...C15 C16 CAP X7R 1 F 10V 10 0603 AVX 0603ZC105KAT2A 17 1 Q1 N CHANNEL 30V MOSFET VISHAY SUD50N03 09P 18 2 R1 R3 RES CHIP 10 1 0603 VISHAY CRCW060310R0FKEA 19 0 R2 R4 R6 R8 R11 R14 R16 R17 R20 R23 R28...

Страница 8: ...FORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SCHEMATIC SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS S...

Страница 9: ...PECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANT...

Страница 10: ...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 CON...

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