Texas Instruments REF70EVM User Manual Download Page 9 | Manualshive

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Figure 4-2. Component Placement—Bottom Assembly

Figure 4-3. Layout Top

Layout and Component Placement

SNVU699 – OCTOBER 2020

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REF70EVM User's Guide

9

Copyright © 2020 Texas Instruments Incorporated

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Summary of Contents for REF70EVM

Page 1: ...of Materials 4 1 4 REF70EVM Board 5 2 Quick Setup Guide 6 2 1 Electrostatic Discharge Warning 6 2 2 Unpacking the EVM 6 2 3 Power Supply Setup and Functional Test 6 3 EVM Theory and Operation 7 3 1 V...

Page 2: ...be set in shutdown mode Under the shutdown condition the REF70 only consumes 12 A of current The REF70EVM is configured for a LCCC FKH ceramic package U2 and includes a additional MSSOP DGK landpatte...

Page 3: ...he schematic for the REF70EVM is illustrated in Figure 1 1 Figure 1 1 REF70EVM Schematic www ti com Overview SNVU699 OCTOBER 2020 Submit Document Feedback REF70EVM User s Guide 3 Copyright 2020 Texas...

Page 4: ...or mount N A N A N A H1 H2 H3 H4 4 Bumpon Hemisphere 0 44 X 0 20 Clear Transparent Bumpon SJ 5303 CLEAR 3M J1 J3 J5 J7 4 Header 100mil 3x1 Gold TH 3x1 Header TSW 103 07 G S Samtec J2 J4 J6 J8 4 Heade...

Page 5: ...EVM is illustrated in Figure 1 2 and Figure 1 3 Figure 1 2 REF70EVM Board Top Figure 1 3 REF70EVM Board Bottom www ti com Overview SNVU699 OCTOBER 2020 Submit Document Feedback REF70EVM User s Guide 5...

Page 6: ...mal operation A 5 V power supply capable of 50 mA of current is required The REF70 consumes 6 5 mA of current during normal operationg and has a maximum 10 mA of output current for maintaining regulat...

Page 7: ...ion is to reduce the IR loss from long trace wires at high currents In the normal active configuration the OUTF and OUTS are shorted together In the REF70EVM this is done by the R1 and R2 which are 0...

Page 8: ...VM Figure 6 and Figure 7 show the top and bottom layouts Figure 8 and Figure 9 show the top and bottom layers and Figure 10 shows the top solder mask of the EVM Figure 4 1 Component Placement Top Asse...

Page 9: ...mponent Placement Bottom Assembly Figure 4 3 Layout Top www ti com Layout and Component Placement SNVU699 OCTOBER 2020 Submit Document Feedback REF70EVM User s Guide 9 Copyright 2020 Texas Instruments...

Page 10: ...gure 4 4 Layout Bottom Figure 4 5 Top Layer Layout and Component Placement www ti com 10 REF70EVM User s Guide SNVU699 OCTOBER 2020 Submit Document Feedback Copyright 2020 Texas Instruments Incorporat...

Page 11: ...e 4 6 Bottom Layer Figure 4 7 Top Solder Mask www ti com Layout and Component Placement SNVU699 OCTOBER 2020 Submit Document Feedback REF70EVM User s Guide 11 Copyright 2020 Texas Instruments Incorpor...

Page 12: ...change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of thes...

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