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dc2455aaf

DEMO MANUAL DC2455A-A

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

Summary of Contents for LTM4650EY-1

Page 1: ...ternalclocksignal Theboardallowstheusertoprogram how its output voltage ramps up and down through the L LT LTC LTM Linear Technology the Linear logo Module PolyPhase and TimerBlox are registered trade...

Page 2: ...esignalbetween IOSTEPCLK and GND testpoint Pulseamplitude 3V 3 5V setstheloadstep current amplitude The output transient current can be monitoredattheBNCconnectorJ12 5mV A Thepulse signal should be ve...

Page 3: ...tart Procedure 1m VOUT0 LOAD 0A 100A VIN 4 5V TO 16V Figure 2 Test Setup of DC2455A A Figure 3 Measured Efficiency VIN 12V fSW 500kHz LOAD CURRENT A 0 EFFICIENCY 100 95 75 90 85 80 70 40 20 60 DC2455A...

Page 4: ...0mV DIV AC COUPLED 50A TO 75A LOAD X AXIS DC2455AA F05 VOUT 20MHz BW 5mV DIV Figure 4 Load Transient 50A to 75A VIN 12V VOUT1 1V fSW 500kHz Figure 5 Output Voltage Ripple VIN 12V VOUT1 1V IOUT 100A fS...

Page 5: ...03 47nF 10 50V X7R AVX 06035C473KAZ2A 17 1 L1 IND 68 uH CDRH105 SUMIDA CDRH105RNP 680N 18 2 Q1 Q2 MOSFET N CH D S 40V TO252 VISHAY SUD50N04 8M8P 4GE3 19 4 R1 R3 R25 R29 RES 0603 10 5 1 10W VISHAY CRCW...

Page 6: ...OPTION 7 13 R6 R19 R20 R27 R28 R32 R33 R35 R40 R45 R62 R63 R91 RES 0603 0 JUMPER VISHAY CRCW06030000Z0EA 8 4 R22 R23 R24 R26 RES 2010 0 JUMPER VISHAY CRCW20100000ZEA9 9 1 R60 RES 1206 0 JUMPER VISHAY...

Page 7: ...CATIONS 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 SIGNIFICANTLY AFF...

Page 8: ...GY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICA...

Page 9: ...McCarthy Blvd LTC CONFIDENTIAL FOR CUSTOMER USE ONLY CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CU...

Page 10: ...ENTIAL FOR CUSTOMER USE ONLY CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY T...

Page 11: ...ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANC...

Page 12: ...TORY 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 INCIDENT...

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