www.ti.com
User's Guide
TPS54231 Step-Down Converter Evaluation Module User's
Guide
1
Introduction.............................................................................................................................................................................2
1.1 Background........................................................................................................................................................................
1.3 Modifications......................................................................................................................................................................
2 Test Setup and Results..........................................................................................................................................................
2.1 Input / Output Connections................................................................................................................................................
2.2
Efficiency............................................................................................................................................................................4
2.3 Output Voltage Load Regulation........................................................................................................................................
2.4 Output Voltage Line Regulation.........................................................................................................................................
Transients..................................................................................................................................................................6
2.6 Loop Characteristics..........................................................................................................................................................
2.7 Output Voltage Ripple........................................................................................................................................................
2.8 Input Voltage Ripple...........................................................................................................................................................
Up.......................................................................................................................................................................8
2.10 Eco-mode Operation........................................................................................................................................................
Characteristics....................................................................................................................................................9
3 Board Layout.........................................................................................................................................................................
3.1
Layout...............................................................................................................................................................................11
3.2 Estimated Circuit Area.....................................................................................................................................................
Materials...........................................................................................................................................13
4.1 Schematic........................................................................................................................................................................
Materials.................................................................................................................................................................14
5 Revision History...................................................................................................................................................................
SLVU263A - AUGUST 2008 - REVISED OCTOBER 2021
Submit Document Feedback
Table of Contents
Summary.................................................................................................................................2
List of Figures
Efficiency..............................................................................................................5
IN
Layout......................................................................................................................11
Layout................................................................................................................12
Assembly.................................................................................................................12
Schematic...............................................................................................................................14
List of Tables
Summary...............................................................................................................2
Available...........................................................................................................................................3
Materials.........................................................................................................................15
Copyright © 2021 Texas Instruments Incorporated
...........................................................................................................
Summary.........................................................................................2
TPS54231 Step-Down Converter Evaluation Module User's Guide
Table of Contents
2
3
3
3
5
6
7
7
8
9
11
12
13
15
4
5
6
6
7
7
8
8
9
9
10
4
1
Need help?
Do you have a question about the TPS54231 and is the answer not in the manual?
Questions and answers