Linear Technology DC1794A Demo Manual Download Page 6

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DEMO MANUAL DC1794A

Linear Technology  Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417  

(408) 432-1900 

 

FAX

: (408) 434-0507 

 

www.linear.com

 

LINEAR TECHNOLOGY CORPORATION 2011

LT 0715 REV A • 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 direc-

tive 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 DC1794A

Page 1: ... Transient Immunity 50 kV µs The LTM2885 contains an isolated DC DC converter de livering power to VCC2 at 5V from the input supply VCC IsolationismaintainedbytheseparationofGNDandGND2 which significant operating voltages and transients can exist without affecting the operation of the LTM2885 The logic side ON pin enables or shuts down the LTM2885 RS485 RS422 signaling is controlled by the logic i...

Page 2: ...an be mounted between GND2 and GND The discrete ca pacitors provide additional attenuation at frequencies below 300MHz as shown in Figure 1 Capacitors are safety rated type Y1 manufactured by Vishay part VY115K31Y5SQ63V0 EMI performance is shown in Figure 1 measured using a Gigahertz Transverse Electromagnetic GTEM cell and method detailed in IEC 61000 4 20 Testing and Mea surement Techniques Emis...

Page 3: ...ion JP5 SLO pin place in OFF position JP6 Duplex header place in HALF DUPLEX position 2 With power off connect the input power supply to VCC and GND turrets 3 Turn on the power at the input NOTE Makesurethattheinputvoltagedoesnotexceed 6V 4 Check for the proper output voltage VCC2 5V this can be measured between probe points VCC2 and GND2 5 Oncetheproperoutputvoltageisestablished connecta function...

Page 4: ...E1 4 TURRET MILL MAX 2501 2 00 80 00 00 07 0 4 2 J1 TERMINAL BLOCK 2 POSITION 3 5mm HEADER WÜRTH 691214110002 5 5 JP1 5 HEADER 1 3 0 1 WÜRTH 61300311121 6 1 JP6 HEADER 2 3 0 1 WÜRTH 61300621121 7 5 JP1 5 SHUNT 1 2 0 1 BLACK WÜRTH 60900213421 8 1 JP6 SHUNT 2 2 0 1 BLACK WÜRTH 60910213421 9 2 L1 2 COMMON MODE CHOKE WÜRTH 744232222 10 0 C2 3 OPTIONAL CAP X1Y1 150pF 10 760VAC VISHAY VY1151K31Y5SQ63V0 ...

Page 5: ...UIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMERS RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMA...

Page 6: ...E 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 responsibi...

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