Texas Instruments Evaluation Module for TPS54426 4.5V to 18V Input, 4A Synchronous Step-Down SWIFT Converter TPS54426EVM TPS54426EVM-608 Scheda Tecnica
Codici prodotto
TPS54426EVM-608
User's Guide
SLVU381 – August 2010
TPS54426EVM-608 4-A, SWIFT™ Regulator Evaluation
Module
Contents
1
Introduction
..................................................................................................................
1.1
Background
.........................................................................................................
1.2
Performance Specification Summary
............................................................................
1.3
Modifications
........................................................................................................
2
Test Setup and Results
....................................................................................................
2.1
Input / Output Connections
.......................................................................................
2.2
Start Up Procedure
................................................................................................
2.3
Efficiency
............................................................................................................
2.4
Light Load Efficiency
..............................................................................................
2.5
Load Regulation
....................................................................................................
2.6
Line Regulation
.....................................................................................................
2.7
Load Transient Response
........................................................................................
2.8
Output Voltage Ripple
.............................................................................................
2.9
Input Voltage Ripple
...............................................................................................
2.10
Start Up
..............................................................................................................
3
Board Layout
...............................................................................................................
3.1
Layout
..............................................................................................................
4
Schematic, Bill of Materials and Reference
............................................................................
4.1
Schematic
.........................................................................................................
4.2
Bill of Materials
....................................................................................................
4.3
Reference
..........................................................................................................
List of Figures
1
TPS54426EVM-608 Efficiency
............................................................................................
2
TPS54426EVM-608 Light Load Efficiency
...............................................................................
3
TPS54426EVM-608 Load Regulation
....................................................................................
4
TPS54426EVM-608 Line Regulation
.....................................................................................
5
TPS54426EVM-608 Load Transient Response
.........................................................................
6
TPS54426EVM-608 Output Voltage Ripple
.............................................................................
7
TPS54426EVM-608 Input Voltage Ripple
...............................................................................
8
TPS54426EVM-608 Start Up
..............................................................................................
9
TPS54426EVM-608 Start Up Relative to Enable
.....................................................................
10
Top Assembly
..............................................................................................................
11
Top Layer
...................................................................................................................
12
Internal Layer 1
............................................................................................................
13
Internal Layer 2
............................................................................................................
14
Bottom Layer as Seen from Back Side
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15
Bottom Assembly as Seen from Back Side
...........................................................................
16
TPS54426EVM-608 Schematic Diagram
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SWIFT, D-CAP2, Eco-mode are trademarks of Texas Instruments.
1
SLVU381 – August 2010
TPS54426EVM-608 4-A, SWIFT™ Regulator Evaluation Module
Copyright © 2010, Texas Instruments Incorporated