Texas Instruments TPS54340 Step-Down Converter Evaluation Module TPS54340EVM-182 TPS54340EVM-182 Scheda Tecnica
Codici prodotto
TPS54340EVM-182
User's Guide
SLVU794A – October 2012 – Revised February 2013
Using the TPS54340 Step-Down Converter Evaluation
Module
This user's guide contains information for the TPS54340EVM-182 evaluation module (PWR182) including
the performance specifications, schematic, and the bill of materials.
the performance specifications, schematic, and the bill of materials.
spacer so the title "List of Tables" will print on page with the list.
Contents
1
Introduction
..................................................................................................................
2
Test Setup and Results
....................................................................................................
3
Board Layout
...............................................................................................................
4
Schematic and Bill of Materials
..........................................................................................
List of Figures
1
TPS54340EVM-182 Board
................................................................................................
2
Efficiency Versus Load Current
...........................................................................................
3
Light-Load Efficiency
.......................................................................................................
4
Efficiency Versus Load Current
...........................................................................................
5
Light Load Efficiency
.......................................................................................................
6
Regulation Versus Output Current
........................................................................................
7
Regulation Versus Input Voltage
..........................................................................................
8
Load Transient Response
.................................................................................................
9
Loop Response
.............................................................................................................
10
Line Transient Response
..................................................................................................
11
Output Voltage Ripple CCM
..............................................................................................
12
Output Voltage Ripple DCM
..............................................................................................
13
Output Voltage Ripple Eco-mode
.........................................................................................
14
Input Voltage Ripple CCM
.................................................................................................
15
Input Voltage Ripple DCM
.................................................................................................
16
Start Up Relative to V
IN
..................................................................................................
17
Start Up Relative to EN
...................................................................................................
18
Prebias Start Up Relative to EN
.........................................................................................
19
Shutdown Relative to V
IN
.................................................................................................
20
Shutdown Relative to EN
.................................................................................................
21
Low Dropout Operation
...................................................................................................
22
Low Dropout Start Up and Shutdown
...................................................................................
23
TPS54340EVM-182 Top Assembly and Silkscreen
..................................................................
24
TPS54340EVM-182 Top-Side Layout
..................................................................................
25
TPS54340EVM-182 Layer 2 Layout
....................................................................................
26
TPS54340EVM-182 Layer 3 Layout
....................................................................................
27
TPS54340EVM-182 Bottom-Side Layout
..............................................................................
28
TPS54340EVM-182 Schematic
..........................................................................................
Eco-mode is a trademark of Texas Instruments.
1
SLVU794A – October 2012 – Revised February 2013
Using the TPS54340 Step-Down Converter Evaluation Module
Copyright © 2012–2013, Texas Instruments Incorporated