Linear Technology DC2111A-A/B Скачать руководство пользователя страница 14

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dc2111aabf

DEMO MANUAL

DC2111A-A/-B

Linear Technology  Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417  

(408) 432-1900 

 

FAX

: (408) 434-0507 

 

www.linear.com

© LINEAR TECHNOLOGY CORPORATION 2017

LT 0217 • 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 DC2111A-A/B

Страница 1: ...by a dedicated 5V bias supply for each phase If the 5V bias for a given phase is pulled down due to a DrMOS failure or other fault the 5V bias for the other phases will not be affected In case of an...

Страница 2: ...o 14V 1 2V 1 5 IOUT MAX VIN 10V to 14V 90A Nominal Switching Frequency 400kHz Efficiency See Figure 6 VOUT 1 2V IOUT 90A VIN 12V 89 3 Typical Table 2 B Converter TA 25 C No Airflow PARAMETER CONDITION...

Страница 3: ...s This could damage the converter Only apply load across the VOUT and VOUT stud connectors on the edge of the board Note 3 For loads less than 5A some low level noise may appear on the output of the A...

Страница 4: ...4 dc2111aabf DEMO MANUAL DC2111A A B Quick Start Procedure VIN SUPPLY VIN IIN A V VOUT V A IOUT VOUT dc2111aab F01 COUT3 Figure 1 Proper Measurement Equipment Setup for DC2111A A B...

Страница 5: ...Figure 2 1 2V 90A Converter with N 1 MOSFET Failure Protection Top MOSFET of Phase 4 Shorted Drain to Source with Full Load on the Output and a 12V Input The Output Continues to Regulate with Only a...

Страница 6: ...DIV dc2111aab F04 45A 90A VOUT AC 100mV DIV LOAD STEP 20A DIV 50 s DIV dc2111aab F05 60A 120A Figure 4 45A to 90A Load Step Response of the 1 2V 90A Converter with N 1 MOSFET Failure Protection Circui...

Страница 7: ...BSC010NE2LS DrMOS BIAS 5 6V BIAS POWER INCLUDED IN EFFICIENCY MEASUREMENT 75 80 85 EFFICIENCY LOAD CURRENT A 90 95 100 40 60 80 100 120 140 20 0 dc2111aab F07 EACH PHASE DrMOS FDMF5820DC BOOST R 0 L...

Страница 8: ...Procedure Figure 8 Thermal Image of the 1 2V 90A Converter with N 1 MOSFET Failure Protection Measured with Full Load and an Input Voltage of 12V TAMB 21 C Hot Spot is the DrMOS of Phases 2 with a Ris...

Страница 9: ...17 8 COUT1 COUT2 COUT9 COUT10 COUT11 COUT12 COUT19 COUT20 CAP 100 F 20 6 3V X5R 1206 MURATA GRM31CR60J107ME39L 18 12 COUT3 COUT4 COUT5 COUT6 COUT7 COUT8 COUT13 COUT14 COUT15 COUT16 COUT17 COUT18 CAP 3...

Страница 10: ...51 2 U3 U9 IC LTC3774EUHE UHE 5X6 36P 1 LINEAR TECHNOLOGY LTC3774EUHE PBF 52 2 U6 U12 IC LTC4226CUD 1 QFN16UD 3X3 LINEAR TECHNOLOGY LTC4226CUD 1 PBF Bias Supplies 1 1 C66 CAP 2 2 F 10 16V X5R 0603 MU...

Страница 11: ...KEA 3 1 R109 RES 0 002 1 1W 2512 VISHAY WSL25122L000FEA Additional Demo Board Circuit Components 1 0 C3 CAP OPT 0805 OPT 2 1 C31 CAP 1 F 10 25V X7R 0603 AVX 06033C104KAT2A 3 0 C69 C74 CAP OPT 1206 OPT...

Страница 12: ...RRET 0 095 MILL MAX 2501 2 00 80 00 00 07 0 2 1 JP1 HEADER 3 PIN 0 079 SINGLE ROW WURTH ELEKTRONIK 62000311121 3 1 JP2 HEADER 4 PIN 0 079 SINGLE ROW WURTH ELEKTRONIK 62000411121 4 2 XJP1 XJP2 SHUNT 0...

Страница 13: ...RATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING...

Страница 14: ...TUTORY 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 INCIDE...

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