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dc2641af

DEMO MANUAL DC2641A

 

LINEAR TECHNOLOGY CORPORATION 2017

LT 0517 • 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 application 

engineer.

Mailing Address:

Linear Technology

1630 McCarthy Blvd.

Milpitas, CA 95035

Copyright © 2004, Linear Technology Corporation

Содержание DC2641A

Страница 1: ...rst Mode PolyPhase and the Linear logo are registered trademarks of Analog Devices Inc All other trademarks are the property of their respective owners PERFORMANCE SUMMARY clamp or default Burst Mode...

Страница 2: ...cross relevant capacitor See Figure 2 for proper scope probe technique 1 Place jumpers in the following positions JP1 ON JP4 FCM JP5 ON JP8 OFF 2 With power off connect the input power supply to VIN a...

Страница 3: ...DC2641A QUICK START PROCEDURE Figure 1 Proper Measurement Equipment Setup IIN IOUT VIN SUPPLY LOAD DC2641A F01 VOUT GND COUT Figure 2 Measuring Input or Output Ripple Across Terminals or Directly Acr...

Страница 4: ...nables boost refresh allowing for 99 duty cycle operation in dropout OPTIONAL INDUCTOR DCR CURRENT SENSING Demonstration circuit 2641A provides an optional circuit for Inductor DCR Current Sensing Ind...

Страница 5: ...on board BIAS supply output voltage is 12V Alternatively EXTVCC can also be powered by an external power supply 1 Leave the JP7 OPEN 2 Keep the JP8 at the OFF position 3 Apply a DC voltage 14V between...

Страница 6: ...1af DEMO MANUAL DC2641A EXTVCC BIAS SUPPLY Figure 4 DC2641A VOUT 0 2 5A Load Transient at VIN 48V Figure 5 Thermal Image VIN 48V VO 12V at 10A No Air Flow TA 25 C 20MHz BW 100mV DIV DC2641 F04 50 s DI...

Страница 7: ...MSS1048T Series AEC Q200 COILCRAFT MSS1048T 474KLB 16 2 Q2 Q3 XSTR PWR MOSFET N CH 120V 44A PG TDSON 8 SuperSO8 INFINEON BSC190N12NS3 G 17 1 Q4 XSTR PWR MOSFET N CH 120V 98A PG TDSON 8 SuperSO8 INFIN...

Страница 8: ...10 0 R1 OPT RES OPTION 0805 OPTION 11 8 R2 R8 R22 R24 R27 R28 R29 R35 RES 0 1 10W 0603 VISHAY CRCW06030000Z0EA 12 0 R7 R11 R19 R20 R21 R37 R38 R39 R40 OPT RES OPTION 0603 OPTION 13 0 R33 OPT RES OPTIO...

Страница 9: ...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...

Страница 10: ...OR 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 responsibi...

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