Linear Technology DC1668B-C Demo Manual
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Linear Technology DC1668B-C Demo Manual

Ltm4627ev high efficiency polyphase step-down power supply
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Chipsmall Limited consists of a professional team with an average of over 10 year of expertise in the distribution
of electronic components. Based in Hongkong, we have already established firm and mutual-benefit business
relationships with customers from,Europe,America and south Asia,supplying obsolete and hard-to-find components
to meet their specific needs.
With the principle of "Quality Parts,Customers Priority,Honest Operation,and Considerate Service",our business
mainly focus on the distribution of electronic components. Line cards we deal with include
Microchip,ALPS,ROHM,Xilinx,Pulse,ON,Everlight and Freescale. Main products comprise
IC,Modules,Potentiometer,IC Socket,Relay,Connector.Our parts cover such applications as commercial,industrial,
and automotives areas.
We are looking forward to setting up business relationship with you and hope to provide you with the best service
and solution. Let us make a better world for our industry!
Contact us
Tel: +86-755-8981 8866 Fax: +86-755-8427 6832
Email & Skype: info@chipsmall.com Web: www.chipsmall.com
Address: A1208, Overseas Decoration Building, #122 Zhenhua RD., Futian, Shenzhen, China
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Summary of Contents for Linear Technology DC1668B-C

  • Page 1 Chipsmall Limited consists of a professional team with an average of over 10 year of expertise in the distribution of electronic components. Based in Hongkong, we have already established firm and mutual-benefit business relationships with customers from,Europe,America and south Asia,supplying obsolete and hard-to-find components to meet their specific needs.

  • Page 2: Performance Summary

    250kHz to 770kHz. The default switching frequency L, LT, LTC, LTM, Linear Technology, PolyPhase, µModule and the Linear logo are registered for the DC1668B-C is set to 500kHz through the onboard trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.

  • Page 3: Quick Start Procedure

    DEMO MANUAL DC1688B-C QUICK START PROCEDURE Demonstration circuit 1668B-C is easy to set up to evaluate 4. Vary the input voltage from 5V to 20V and adjust the load the performance of paralleled LTM4627 modules. Please should remain regulated current from 0A to 50A. V refer to Figure 2 for proper measurement equipment setup at 1.8V±2%.
  • Page 4 DEMO MANUAL DC1668B-C QUICK START PROCEDURE DC1668bc F02 Figure 2. Test Setup of DC1668B (All Versions) dc1668bcf...
  • Page 5 DEMO MANUAL DC1688B-C QUICK START PROCEDURE 3.3V 2.5V 1.8V 1.5V 1.2V LOAD CURRENT (A) DC1668bc F04 DC1668bc F03 Figure 3. Measured Efficiency at 12V , 500kHz Figure 4. Thermal Capture at 12V , 1.8V , 50A, 500kHz No Forced Airflow (Convection). T = 29°C.

  • Page 6: Parts List

    DEMO MANUAL DC1668B-C PARTS LIST ITEM REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER Required Circuit Components CIN1 CAP, 150µF 20% 35V ALUM SANYO 35MV150WXV CIN13, CIN18, CIN20, CAP, 1210 22µF 20% 25V X5R AVX 12103D226MAT2A CIN22 COUT1, COUT5, COUT9, CAP, 1812 100µF 20% 6.3V X5R...
  • Page 7 DEMO MANUAL DC1688B-C PARTS LIST ITEM REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER COUT10, COUT14 CAP, 1812 100µF 20% 6.3V X5R OPTION TDK C4532X5R0J107MZ OPTION COUT19 CAP, 1206 OPTION TAIYO YUDEN EMK316BJ475ML-T OPTION COUT23, COUT26, COUT27 CAP, 470µF 20% 4V POSCAP OPTION SANYO POSCAP 4TPF470ML OPTION COUT24 CAP, 1812 OPTION...

  • Page 8: Schematic Diagram

    DEMO MANUAL DC1668B-C SCHEMATIC DIAGRAM dc1668bcf...
  • Page 9 DEMO MANUAL DC1688B-C SCHEMATIC DIAGRAM dc1668bcf...
  • Page 10 Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
  • Page 11 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.

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