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dc1934af

DEMO MANUAL DC1934A

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 0716 • 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 DC1934A

Page 1: ...elected respec tively by moving JP1 shunt to NON BURST position and adding different signals to SYNC terminal See Quick Start Procedure section for more details L LT LTC LTM Linear Technology the Linear logo μModule and Burst Mode are registered trademarks of Linear Technology Corporation All other trademarks are the property of their respective owners BOARD PHOTO Figure 1 shows the efficiency of ...

Page 2: ...um Output Current 3 5 A fSW Switching Frequency VIN 12V IOUT 3 5A 1 MHz EFE Efficiency at DC VIN 12V IOUT 2A 93 5 When VIN voltage is low the LTM8053 may skip switching cycles Derating is necessary for certain VIN and thermal conditions Figure 2 LTM8053 Demo Circuit DC1934A Maximum Load Current Derating VIN 12V VIN 24V LOAD CURRENT A 0 001 0 01 0 1 1 10 55 65 75 85 95 EFFICIENCY DC1934A F01 0 LFM ...

Page 3: ...er output voltage VOUT 5V NOTE If there is no output temporarily disconnect the load to make sure that the load is not set too high or is shorted 6 Once the proper output voltage is established adjust the load within the operating ranges and observe the output voltage regulation ripple voltage efficiency and other parameters 7 JP1 is placed on BURST position by default for the low ripple Burst Mod...

Page 4: ...4 dc1934af DEMO MANUAL DC1934A Figure 3 Proper Measurement Equipment Setup QUICK START PROCEDURE ...

Page 5: ... QUICK START PROCEDURE Figure 4 Measuring Output Ripple VOUT GND Figure 5 DC1934A Output Noise Spectrum VIN 12V VOUT 5V IO 3 5A DC1934A F05 INTENSITY dBm 0 20 80 100 120 60 40 FREQUENCY MHz 0 4 5 0 5 1 0 1 5 2 5 2 0 3 0 3 5 4 0 5 0 ...

Page 6: ...EA 8 1 U1 IC BGA 48L 9X6 25X3 23MM LINEAR TECH LTM8053EY PBF Additional Demo Board Circuit Components 1 0 C2 C9 C11 OPT CAP 0603 2 1 C3 CAP ALUM 22μF 63V SUN ELECT 63CE22BS 3 0 C7 OPT CAP X7R 10μF 50V 10 1210 MURATA GRM32ER71H106KA12L 4 0 C10 OPT CAP X7R 0 1μF 50V 10 0402 TDK C1005X7R1H104K050BB 5 0 L1 OPT INDUCTOR 1 2μH WURTH ELEKTRONIK 74437324012 6 1 R2 RES CHIP 0Ω 1 10W 0603 VISHAY CRCW0603000...

Page 7: ... SYNC GND GND GND BIAS RUN SHARE BURST NON BURST SEE DEMO MANUAL VIN VIN AUX AUX VOUT VOUT R5 100K C9 OPT JP1 1 2 3 C6 4 7uF 6 3V E4 E7 OPT C1 0 1uF E9 C11 OPT E11 E2 R7 OPT E8 C7 10uF 1210 50V OPT L1 74437324012 OPT E6 C2 OPT E10 GND C4 4 7uF 50V 1206 R3 100K E12 R2 0 R1 41 2K E5 U1 LTM8053EY VIN C6 VIN C3 VIN C4 VIN C5 RUN B6 TR SS B5 RT A5 SHARE A4 GND A6 GND B3 GND C1 GND C2 GND D1 GND D2 GND ...

Page 8: ...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 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...

Page 9: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Analog Devices Inc DC1934A ...

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