User's Guide
SLVU742–June 2012
TPS55340EVM-147, 6V to 18V Input, 12V Output SEPIC
Evaluation Module
This user’s guide contains information for the TPS55340EVM-147 evaluation module (also called
PWR147) as well as the TPS55340 DC/DC converter. The document includes the performance
specifications, schematic, and the bill of materials for the TPS55340EVM-147.
Contents
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Background .................................................................................................................. 2
Performance Specification Summary ..................................................................................... 2
Modifications ................................................................................................................. 3
Test Setup and Results .................................................................................................... 3
Board Layout ............................................................................................................... 12
Schematic and Bill of Materials .......................................................................................... 15
List of Figures
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TPS55340EVM-147 Efficiency ............................................................................................
TPS55340EVM-147 Output Voltage Load Regulation .................................................................
TPS55340EVM-147 Output Voltage Line Regulation ..................................................................
TPS55340EVM-147 VIN = 6V Transient Response.....................................................................
TPS55340EVM-147 VIN = 18V Transient Response ...................................................................
TPS55340EVM-147 Loop Response.....................................................................................
TPS55340EVM-147 VIN = 6V Output Ripple ............................................................................
TPS55340EVM-147 VIN = 18V Output Ripple ...........................................................................
TPS55340EVM-147 DCM Output Ripple ................................................................................
TPS55340EVM-147 VIN = 18V Pulse-Skipping..........................................................................
TPS55340EVM-147 VIN = 6V Input Voltage Ripple.....................................................................
TPS55340EVM-147 VIN = 18V Input Voltage Ripple.................................................................. 10
TPS55340EVM-147 Power Up With EN ............................................................................... 10
TPS55340EVM-147 Power Down With EN ............................................................................ 11
TPS55340EVM-147 Power Up With VIN ................................................................................ 11
TPS55340EVM-147 Power Down With VIN ............................................................................ 12
TPS55340EVM-147 Top-Side Assembly............................................................................... 13
TPS55340EVM-147 Top-Side Layout .................................................................................. 13
TPS55340EVM-147 Internal Layer-1 Layout .......................................................................... 14
TPS55340EVM-147 Internal Layer-2 Layout .......................................................................... 14
TPS55340EVM-147 Bottom-Side Layout .............................................................................. 15
TPS55340EVM-147 Schematic.......................................................................................... 15
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List of Tables
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Input Voltage and Output Current Summary ............................................................................
Performance Specification Summary.....................................................................................
EVM Connectors and Test Points ........................................................................................
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TPS55340EVM-147 Bill of Materials.................................................................................... 16
1
SLVU742–June 2012
TPS55340EVM-147, 6V to 18V Input, 12V Output SEPIC Evaluation Module
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Copyright © 2012, Texas Instruments Incorporated
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