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

1

Background

.................................................................................................................. 2

2

Performance Specification Summary

..................................................................................... 2

3

Modifications

................................................................................................................. 3

4

Test Setup and Results

.................................................................................................... 3

5

Board Layout

............................................................................................................... 12

6

Schematic and Bill of Materials

.......................................................................................... 15

List of Figures

1

TPS55340EVM-147 Efficiency

............................................................................................ 4

2

TPS55340EVM-147 Output Voltage Load Regulation

................................................................. 5

3

TPS55340EVM-147 Output Voltage Line Regulation

.................................................................. 5

4

TPS55340EVM-147 V

6

5

TPS55340EVM-147 V

6

6

TPS55340EVM-147 Loop Response

..................................................................................... 7

7

TPS55340EVM-147 V

7

8

TPS55340EVM-147 V

8

9

TPS55340EVM-147 DCM Output Ripple

................................................................................ 8

10

TPS55340EVM-147 V

9

11

TPS55340EVM-147 V

9

12

TPS55340EVM-147 V

10

13

TPS55340EVM-147 Power Up With EN

............................................................................... 10

14

TPS55340EVM-147 Power Down With EN

............................................................................ 11

15

TPS55340EVM-147 Power Up With V

11

16

TPS55340EVM-147 Power Down With V

12

17

TPS55340EVM-147 Top-Side Assembly

............................................................................... 13

18

TPS55340EVM-147 Top-Side Layout

.................................................................................. 13

19

TPS55340EVM-147 Internal Layer-1 Layout

.......................................................................... 14

20

TPS55340EVM-147 Internal Layer-2 Layout

.......................................................................... 14

21

TPS55340EVM-147 Bottom-Side Layout

.............................................................................. 15

22

TPS55340EVM-147 Schematic

.......................................................................................... 15

List of Tables

1

Input Voltage and Output Current Summary

............................................................................ 2

2

Performance Specification Summary

..................................................................................... 2

3

EVM Connectors and Test Points

........................................................................................ 4

4

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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