TPS55340EVM-147 Datasheet, PDF (1/25 Pages) Texas Instruments – TPS55340EVM-147, 6V to 18V Input, 12V Output SEPIC Evaluation Module

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_IN = 6V Transient Response ..................................................................... 6
5 TPS55340EVM-147 V_IN = 18V Transient Response ................................................................... 6
6 TPS55340EVM-147 Loop Response..................................................................................... 7
7 TPS55340EVM-147 V_IN = 6V Output Ripple ............................................................................ 7
8 TPS55340EVM-147 V_IN = 18V Output Ripple ........................................................................... 8
9 TPS55340EVM-147 DCM Output Ripple ................................................................................ 8
10 TPS55340EVM-147 V_IN = 18V Pulse-Skipping.......................................................................... 9
11 TPS55340EVM-147 V_IN = 6V Input Voltage Ripple..................................................................... 9
12 TPS55340EVM-147 V_IN = 18V Input Voltage Ripple.................................................................. 10
13 TPS55340EVM-147 Power Up With EN ............................................................................... 10
14 TPS55340EVM-147 Power Down With EN ............................................................................ 11
15 TPS55340EVM-147 Power Up With V_IN ................................................................................ 11
16 TPS55340EVM-147 Power Down With V_IN ............................................................................ 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
SLVU742 – June 2012
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TPS55340EVM-147, 6V to 18V Input, 12V Output SEPIC Evaluation Module
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