Texas Instruments TPS7B4255EVM-062, Руководство пользователя, Страница: 2 / 20

Table of Contents
1 Introduction ............................................................................................................................................................................. 3
1.1 Before You Begin............................................................................................................................................................... 3
2 TPS7B4255EVM-062 Schematic ............................................................................................................................................ 4
3 Setup ........................................................................................................................................................................................ 5
3.1 LDO Input/Output Connector Descriptions......................................................................................................................... 5
3.2 Optional Load Transient Input/Output Connector Descriptions.......................................................................................... 6
3.3 TPS7B4255-Q1 LDO Operation and Component Selection.............................................................................................. 6
3.4 Optional Load Transient Circuit Operation......................................................................................................................... 9
4 Board Layout ......................................................................................................................................................................... 10
5 Bill of Materials ..................................................................................................................................................................... 12
List of Figures
Figure 1-1. TPS7B4255EVM-062 Evaluation Module................................................................................................................. 1
Figure 2-1. Schematic.................................................................................................................................................................. 4
Figure 3-1. TPS7B4255EVM-062 Turn-On.................................................................................................................................. 7
Figure 3-2. TPS7B4255EVM-062 With Current Probes Attached............................................................................................... 8
Figure 3-3. TPS7B4255EVM-062 Load Transient Results: 50-μA to 70-mA Load Step.............................................................. 9
Figure 3-4. TPS7B4255EVM-062 Load Transient Results: 70-mA to 50-μA Load Step.............................................................. 9
Figure 4-1. Top Assembly Layer and Silkscreen....................................................................................................................... 10
Figure 4-2. Top Layer Routing................................................................................................................................................... 10
Figure 4-3. Internal Layer 1....................................................................................................................................................... 10
Figure 4-4. Internal Layer 2....................................................................................................................................................... 10
Figure 4-5. Internal Layer 3........................................................................................................................................................ 11
Figure 4-6. Internal Layer 4........................................................................................................................................................ 11
Figure 4-7. Bottom Layer Routing.............................................................................................................................................. 11
Figure 4-8. Bottom Assembly Layer and Silkscreen.................................................................................................................. 11
Trademarks
LeCroy ™ is a trademark of Teledyne LeCroy.
Kapton ® is a registered trademark of DuPont.
All trademarks are the property of their respective owners.
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2 TPS7B4255EVM-062 Evaluation Module SLVUCA5 – JUNE 2022
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