Datasheet
User's Guide
SLVU493–October 2011
TPS54229EVM-056, 2-A, SWIFT™ Regulator
Evaluation Module
This user's guide contains information for the TPS54229EVM-056 evaluation module as well as for the
TPS54229 . Included are the performance specifications, schematic, and the bill of materials of the
TPS54229EVM-056.
Contents
1 Introduction .................................................................................................................. 3
2 Performance Specification Summary ..................................................................................... 3
3 Modifications ................................................................................................................. 3
3.1 Output Voltage Setpoint ........................................................................................... 3
3.2 Output Filter and Closed-Loop Response ...................................................................... 4
4 Test Setup and Results .................................................................................................... 4
4.1 Input/Output Connections ......................................................................................... 4
4.2 Start-Up Procedure ................................................................................................ 5
4.3 Efficiency ............................................................................................................ 5
4.4 Load Regulation .................................................................................................... 6
4.5 Line Regulation ..................................................................................................... 6
4.6 Load Transient Response ........................................................................................ 6
4.7 Output Voltage Ripple ............................................................................................. 7
4.8 Input Voltage Ripple ............................................................................................... 8
4.9 Start-Up ............................................................................................................. 8
5 Board Layout ............................................................................................................... 10
5.1 Layout .............................................................................................................. 10
6 Schematic, Bill of Materials, and Reference ........................................................................... 13
6.1 Schematic ......................................................................................................... 13
6.2 Bill of Materials .................................................................................................... 14
6.3 Reference .......................................................................................................... 14
List of Figures
1 TPS54229EVM-056 Efficiency ............................................................................................ 5
2 TPS54229EVM-056 Light-Load Efficiency............................................................................... 5
3 TPS54229EVM-056 Load Regulation, V
IN
= 5 V and V
IN
= 12 V...................................................... 6
4 TPS54229EVM-056 Line Regulation..................................................................................... 6
5 TPS54229EVM-056 Load Transient Response......................................................................... 7
6 TPS54229EVM-056 Output Voltage Ripple ............................................................................. 7
7 TPS54229EVM-056 Input Voltage Ripple ............................................................................... 8
8 TPS54229EVM-056 Start-Up Relative to V
IN
With SS ................................................................. 8
9 TPS54229EVM-056 Start-Up Relative to V
IN
With VREG5............................................................ 9
10 TPS54229EVM-056 Start-Up Relative to EN With SS................................................................. 9
11 TPS54229EVM-056 Start-Up Relative to EN With VREG5.......................................................... 10
12 Top Assembly.............................................................................................................. 11
13 Top Layer................................................................................................................... 11
14 Internal Layer 1 ............................................................................................................ 12
SWIFT, D-CAP2 are trademarks of Texas Instruments.
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SLVU493–October 2011 TPS54229EVM-056, 2-A, SWIFT™ Regulator— Evaluation Module
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