Datasheet

User's Guide
SLVU443–March 2011
TPS54429EVM-608, 4.5-A, SWIFT™ Regulator
Evaluation Module
This user's guide contains information for the TPS54429 as well as support documentation for the
TPS54429EVM-608 evaluation module. Included are the performance specifications, schematic, and the
bill of materials of the TPS54429EVM-608.
Contents
1 Introduction .................................................................................................................. 3
2 Performance Specification Summary ..................................................................................... 3
3 Modifications ................................................................................................................. 3
3.1 Output Voltage Setpoint ........................................................................................... 3
4 Test Setup and Results .................................................................................................... 4
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 ..................................................................................................... 7
4.6 Load Transient Response ........................................................................................ 8
4.7 Output Voltage Ripple ............................................................................................. 8
4.8 Input Voltage Ripple ............................................................................................... 9
4.9 Start-Up ............................................................................................................. 9
5 Board Layout ............................................................................................................... 10
5.1 Layout .............................................................................................................. 10
6 Schematic, Bill of Materials, and Reference ........................................................................... 14
6.1 Schematic ......................................................................................................... 14
6.2 Bill of Materials .................................................................................................... 14
6.3 Reference .......................................................................................................... 14
List of Figures
1 TPS54429EVM-608 Efficiency ............................................................................................ 6
2 TPS54429EVM-608 Light Load Efficiency............................................................................... 6
3 TPS54429EVM-608 Load Regulation .................................................................................... 7
4 TPS54429EVM-608 Line Regulation..................................................................................... 7
5 TPS54429EVM-608 Load Transient Response......................................................................... 8
6 TPS54429EVM-608 Output Voltage Ripple ............................................................................. 8
7 TPS54429EVM-608 Input Voltage Ripple ............................................................................... 9
8 TPS54429EVM-608 Start-Up Relative to V
IN
............................................................................ 9
9 TPS54429EVM-608 Start-Up Relative to EN .......................................................................... 10
10 Top Assembly.............................................................................................................. 11
11 Top Layer................................................................................................................... 11
12 Internal Layer 1 ............................................................................................................ 12
13 Internal Layer 2 ............................................................................................................ 12
14 Bottom Layer............................................................................................................... 13
SWIFT, D-CAP2 are trademarks of Texas Instruments.
1
SLVU443–March 2011 TPS54429EVM-608, 4.5-A, SWIFT™ Regulator— Evaluation Module
Submit Documentation Feedback
© 2011, Texas Instruments Incorporated