Linear Technology DC2117A Скачать руководство пользователя страница 10

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dc2117af

DEMO MANUAL DC2117A

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 0616 • 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 DC2117A

Страница 1: ...ivers can be adjusted from 5V to 10V to enable the use of logic or standard level MOSFETs to maximize efficiency The EXTVCC pin permits the LTC3895 to be powered from the output of the switch ing regu...

Страница 2: ...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 and GND 3 Turn on the powe...

Страница 3: ...Ceramic Capacitor Demonstration circuit 2117A s mode selector allows the converter to run in forced continuous operation pulse skipping operation Burst Mode operation or Burst Mode operation with adju...

Страница 4: ...Inductor DCR Current Sensing CONFIGURATION RS1 R24 R28 C16 R37 R38 R39 R40 Current Sense Resistor Default Ref Sch Ref Sch Ref Sch OPEN OPEN OPEN OPEN OPEN Inductor DCR Current Sensing 0 Copper OPEN O...

Страница 5: ...ition The onboard 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 14...

Страница 6: ...Figure 4 DC2117A VOUT 1 25A 2 5A Load Transient at VIN 48V Figure 5 DC2117A VOUT 1 25A 2 5A Load Transient at VIN 130V 200 s DIV 20MHz BW 100mV DIV DC2117a F04 VOUT 200 s DIV 20MHz BW 100mV DIV DC211...

Страница 7: ...IND 1 H VISHAY IHLP 1616BZER1R0M11 18 3 Q2 Q3 Q4 XSTR N CHANNEL DMOS FET INFINEON BSC520N15NS3G 19 1 RS1 RES 2512 0 006 5 1 4W VISHAY WSL25126L000FEA18 20 1 R1 RES 0603 191k 1 1 10W VISHAY CRCW0603191...

Страница 8: ...RANSISTOR OPTION INFINEON IPD320N20N3 G OPTION 10 0 Q12 Q13 XSTR OPTION OPTION 11 0 R3 R4 R5 R7 R11 R19 R20 R21 R37 R38 R39 R40 RES 0603 OPTION OPTION 12 0 R33 RES 1206 OPTION OPTION Hardware For Demo...

Страница 9: ...NO REV 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 TECHN...

Страница 10: ...ORY 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 INCIDENTA...

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