User's Guide
SLVU413–November 2010
TPS54327EVM-686 3-A, SWIFT™ Regulator Evaluation
Module
This user's guide contains information for the TPS54327 as well as support documentation for the
TPS54327EVM-686 evaluation module. Included are the performance specifications, schematic, and the
bill of materials of the TPS54327EVM-686.
Contents
1
2
3
Introduction .................................................................................................................. 2
Performance Specification Summary ..................................................................................... 2
Modifications ................................................................................................................. 3
3.1
3.2
Output Voltage Setpoint ........................................................................................... 3
Output Filter and Closed Loop Response ...................................................................... 3
4
Test Setup and Results .................................................................................................... 3
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
Input/Output Connections ......................................................................................... 4
Start-Up Procedure ................................................................................................ 4
Efficiency ............................................................................................................ 5
Load Regulation .................................................................................................... 6
Line Regulation ..................................................................................................... 7
Load Transient Response ........................................................................................ 7
Output Voltage Ripple ............................................................................................. 8
Input Voltage Ripple ............................................................................................... 8
Start-Up ............................................................................................................. 9
5
6
Board Layout ............................................................................................................... 10
Layout .............................................................................................................. 10
Schematic, Bill of Materials, and Reference ........................................................................... 13
5.1
6.1
6.2
6.3
Schematic ......................................................................................................... 13
Bill of Materials .................................................................................................... 13
Reference .......................................................................................................... 14
List of Figures
1
TPS54327EVM-686 Efficiency ............................................................................................
TPS54327EVM-686 Light Load Efficiency...............................................................................
TPS54327EVM-686 Load Regulation, VIN = 5 V. .......................................................................
TPS54327EVM-686 Load Regulation, VIN = 12 V.......................................................................
TPS54327EVM-686 Line Regulation.....................................................................................
TPS54327EVM-686 Load Transient Response.........................................................................
TPS54327EVM-686 Output Voltage Ripple .............................................................................
TPS54327EVM-686 Input Voltage Ripple ...............................................................................
TPS54327EVM-686 Start-Up Relative to VIN ............................................................................
TPS54327EVM-686 Start-Up Relative to EN ...........................................................................
5
5
6
6
7
7
8
8
9
9
2
3
4
5
6
7
8
9
10
11
12
13
14
Top Assembly.............................................................................................................. 10
Top Layer................................................................................................................... 11
Bottom Layer............................................................................................................... 11
Bottom Assembly.......................................................................................................... 12
SWIFT, D-CAP2 are trademarks of Texas Instruments.
1
SLVU413–November 2010
TPS54327EVM-686 3-A, SWIFT™ Regulator Evaluation Module
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© 2010, Texas Instruments Incorporated
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