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Texas Instruments LM5005, User Manual, Page: 5 / 6

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Texas Instruments LM5005 User Manual Download Page 5

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PCB Layout

6

PCB Layout

Figure 5. Component Side

Figure 6. Solder Side

Figure 7. Silkscreen

5

SNVA298A – November 2007 – Revised April 2013

AN-1748 LM5005 Evaluation Board

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Copyright © 2007–2013, Texas Instruments Incorporated

Summary of Contents for LM5005

Page 1: ...copper on FR4 material with a thickness of 0 06 inches This document contains the evaluation board schematic Bill of Materials BOM and a quick setup procedure For complete circuit design information see the LM5005 High Voltage 2 5 Amp Buck Regulator Data Sheet SNVS397 The performance of the evaluation board is as follows Input Range 7 to 75 V Output Voltage 5 V Output Current 0 to 2 5A Frequency o...

Page 2: ...lease 200 LFM should always be provided 3 3 Powering Up Using the provided shutdown pin allows powering up the source supply with the current level set low It is suggested that the load be kept low during the first power up Set the current limit of the source supply to provide about 1 5 times the anticipated wattage of the load As you remove the connection from the shutdown pin to ground immediate...

Page 3: ...ut Current 4 2 Turn On Waveform When applying power to the LM5005 evaluation board a certain soft start sequence occurs Figure 3 shows the output voltage during a typical start up sequence Conditions Input Voltage 36VDC Output Current 2A Trace 1 Output Voltage Volts div 2V Horizontal Resolution 500 µsec div Figure 3 Output Voltage During a Typical Start Up Sequence 3 SNVA298A November 2007 Revised...

Page 4: ...ITOR CER KEMET 330p 100 V C 4 C2012X7R2A103K CAPACITOR CER TDK 0 01µ 100 V C 5 C2012X7R2A103K CAPACITOR CER TDK 0 01µ 100V C 6 OPEN NOT USED C 7 C2012X7R2A223K CAPACITOR CER TDK 0 022µ 100 V C 8 C2012X7R1C474M CAPACITOR CER TDK 0 47µ 16 V C 9 C3225X7R1C226M CAPACITOR CER TDK 22µ 16 V C 10 EEFHE0J151R CAPACITOR SP PANASONIC 150µ 6 3 V C 11 C0805C331G1GAC CAPACITOR CER KEMET 330p 100 V C 12 OPEN NOT...

Page 5: ... Layout Figure 5 Component Side Figure 6 Solder Side Figure 7 Silkscreen 5 SNVA298A November 2007 Revised April 2013 AN 1748 LM5005 Evaluation Board Submit Documentation Feedback Copyright 2007 2013 Texas Instruments Incorporated ...

Page 6: ...esponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

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