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User's Guide
SLVU490–October 2011
TPS54295 Dual Channel SWIFT™ Evaluation Module
This user's guide contains information for the TPS54295EVM evaluation module as well as for the
TPS54295. Included are the performance specifications, schematic, and the bill of materials of the
TPS54295EVM.
Contents
1 Introduction .................................................................................................................. 3
2 Performance Specification Summary ..................................................................................... 3
3 Modifications ................................................................................................................. 4
3.1 Output Voltage Setpoint ........................................................................................... 4
3.2 Output Filter and Closed-Loop Response ...................................................................... 4
4 Test Setup and Results .................................................................................................... 5
4.1 Input/Output Connections ......................................................................................... 5
4.2 Start-Up Procedure ................................................................................................ 5
4.3 Efficiency ............................................................................................................ 6
4.4 Load Regulation .................................................................................................... 7
4.5 Line Regulation ..................................................................................................... 8
4.6 Load Transient Response ........................................................................................ 9
4.7 Output Voltage Ripple ........................................................................................... 10
4.8 Input Voltage Ripple .............................................................................................. 13
4.9 Start-Up and Shutdown .......................................................................................... 14
5 Board Layout ............................................................................................................... 18
5.1 Layout .............................................................................................................. 18
6 Schematic, Bill of Materials, and Reference ........................................................................... 22
6.1 Schematic ......................................................................................................... 22
6.2 Bill of Materials .................................................................................................... 23
6.3 Reference .......................................................................................................... 23
List of Figures
1 TPS54295EVM Converter 1 Efficiency................................................................................... 6
2 TPS54295EVM Converter 2 Efficiency................................................................................... 6
3 TPS54295EVM Converter 1 Load Regulation .......................................................................... 7
4 TPS54295EVM Converter 2 Load Regulation .......................................................................... 7
5 TPS54295EVM Converter 1 Line Regulation ........................................................................... 8
6 TPS54295EVM Converter 2 Line Regulation ........................................................................... 8
7 TPS54295EVM Converter 1 Load Transient Response ............................................................... 9
8 TPS54295EVM Converter 2 Load Transient Response ............................................................... 9
9 TPS54295EVM Converter 1 Output Voltage Ripple .................................................................. 10
10 TPS54295EVM Converter 1 Eco-mode™ Output Voltage Ripple .................................................. 10
11 TPS54295EVM Converter 1 Eco-mode™ Output Voltage Ripple at No Load .................................... 11
12 TPS54295EVM Converter 2 Output Voltage Ripple .................................................................. 11
13 TPS54295EVM Converter 2 Eco-mode™ Output Voltage Ripple .................................................. 12
14 TPS54295EVM Converter 2 Eco-mode™ Output Voltage Ripple at No Load .................................... 12
15 TPS54295EVM Input Voltage Ripple ................................................................................... 13
SWIFT, Eco-mode, D-CAP2 are trademarks of Texas Instruments.
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SLVU490–October 2011 TPS54295 Dual Channel SWIFT™ Evaluation Module
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