Linear DC1543A Demo Manual Download Page 3

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dc1543afa

DEMO MANUAL DC1543A

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Figure 1. Proper Measurement Equipment Setup

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Note: Demo circuit 1543A demonstrates a functional but outdated square 
pad layout for LTM4641. Refer to the design files recommending round 
pads for future PCB designs available at www.linear.com/demo.

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Summary of Contents for DC1543A

Page 1: ...SUMMARY BOARD PHOTO protection inputlatching non latchingovervoltageprotec tion andlatching non latchingovertemperatureprotection Higherefficiencyatlowloadcurrentsisachievedbysetting the MODE pin jum...

Page 2: ...t the load current from 0A to 10A Observe the output voltage regulation ripple voltage efficiency and other parameters Output voltage ripple may be measured at J6withaBNCcableandoscilloscope Theprobec...

Page 3: ...Setup LOAD VIN Note Demo circuit 1543A demonstrates a functional but outdated square pad layout for LTM4641 Refer to the design files recommending round pads for future PCB designs available at www li...

Page 4: ...z 6 0VOUT 660kHz 0 9VOUT 235kHz 1 0VOUT 255kHz 1 2VOUT 285kHz 1 5VOUT 315kHz OUTPUT CURRENT A 0 EFFICIENCY 1 6 7 8 9 10 2 3 4 5 1 8VOUT 325kHz 2 5VOUT 335kHz 3 3VOUT 360kHz 5 0VOUT 550kHz 6 0VOUT 660k...

Page 5: ...re 29 4 C No Forced Air Flow Figure 4 Thermal Image of LTM4641 Figure 3 Measured Load Transient Responses VOUT 50mV DIV IOUT_STEP 4A DIV 3b VIN 12V VO 1 0V 0A to 4A Load Step VOUT 20mV DIV IOUT_STEP 4...

Page 6: ...0603 VISHAY CRCW06033K16FKEA 13 1 R28 RES CHIP 24 9k 1 16W 1 0603 VISHAY CRCW060324K9FKEA 14 1 R10 RES CHIP 1 78M 1 16W 1 0603 VISHAY CRCW06031M78FKEA 15 1 R24 RES CHIP 13k 1 16W 1 0603 VISHAY CRCW06...

Page 7: ...r com 2 Monday May 21 2012 1 1 HZ YAN L N A LTM4641EY DEMO CIRCUIT 1543A REVISION HISTORY DESCRIPTION DATE APPROVED ECO REV YAN L PRODUCTION 2 6 22 11 __ REVISION HISTORY DESCRIPTION DATE APPROVED ECO...

Page 8: ...IS 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 t...

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