Texas Instruments TPS7A57EVM-056, User Manual

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Table of Contents
1 Introduction ............................................................................................................................................................................. 3
2 Setup ........................................................................................................................................................................................ 3
2.1 LDO Input and Output Connector Descriptions.................................................................................................................. 3
2.2 Optional Load Transient Input and Output Connector Descriptions................................................................................... 4
2.3 TPS7A57 LDO Operation................................................................................................................................................... 5
2.4 Optional Load Transient Circuit Operation......................................................................................................................... 7
3 Board Layout ........................................................................................................................................................................... 9
4 TPS7A57EVM-056 Schematics ............................................................................................................................................. 11
5 Bill of Materials ..................................................................................................................................................................... 13
List of Figures
Figure 1-1. TPS7A57EVM-056 Evaluation Module..................................................................................................................... 1
Figure 2-1. TPS7A57EVM-056 Turn On...................................................................................................................................... 5
Figure 2-2. TPS7A57EVM-056 With Current Probe Attached..................................................................................................... 6
Figure 2-3. TPS7A57EVM-056 Load Transient Results.............................................................................................................. 8
Figure 2-4. TPS7A57EVM-056 Load Transient Results With a Q1 MOSFET............................................................................. 8
Figure 3-1. Top Assembly Layer and Silkscreen......................................................................................................................... 9
Figure 3-2. Top Layer Routing..................................................................................................................................................... 9
Figure 3-3. Layer 2...................................................................................................................................................................... 9
Figure 3-4. Layer 3...................................................................................................................................................................... 9
Figure 3-5. Layer 4.................................................................................................................................................................... 10
Figure 3-6. Layer 5.................................................................................................................................................................... 10
Figure 3-7. Bottom Layer Routing.............................................................................................................................................. 10
Figure 3-8. Bottom Assembly Layer and Silkscreen.................................................................................................................. 10
Figure 4-1. Schematic................................................................................................................................................................ 11
Figure 4-2. Load Transient Schematic....................................................................................................................................... 12
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 TPS7A57EVM-056 Evaluation Module SBVU075 – APRIL 2022
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