Texas Instruments TPS56921 Synchronous Step-Down Converter Evaluation Module TPS56921EVM-188 TPS56921EVM-188 数据表
产品代码
TPS56921EVM-188
User's Guide
SLVU793 – October 2012
TPS56921EVM-188, 9-A, SWIFT™ Regulator
Evaluation Module
This user’s guide contains information for the TPS56921EVM-188 evaluation module (PWR188) as well as
for the TPS56921 dc/dc converter. Also included are the performance specifications, the schematic, and
the bill of materials for the TPS56921EVM-188.
for the TPS56921 dc/dc converter. Also included are the performance specifications, the schematic, and
the bill of materials for the TPS56921EVM-188.
Contents
1
Introduction
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2
Test Setup and Results
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3
Board Layout
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4
Schematic and Bill of Materials
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List of Figures
1
TPS56921EVM-188 Efficiency
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2
TPS56921EVM-188 Low Current Efficiency
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3
TPS56921EVM-188 Load Regulation
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4
TPS56921EVM-188 Line Regulation
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5
TPS56921EVM-188 Transient Response
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6
TPS56921EVM-188 Loop Response, V
OUT
Set by Resistor Divider
..................................................
7
TPS56921EVM-188 Loop Response, V
OUT
Set by I
2
C Interface
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8
TPS56921EVM-188 Output Ripple
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9
TPS56921EVM-188 Input Ripple
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10
TPS56921EVM-188 Start-Up Relative to V
IN
..........................................................................
11
TPS56921EVM-188 Start-Up Relative to Enable
.....................................................................
12
TPS56921EVM-188 Start-Up Relative to V
IN
Detail
...................................................................
13
TPS56921EVM-188 Top-Side Assembly
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14
TPS56921EVM-188 Top-Side Layout
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15
TPS56921EVM-188 Internal Layer-1 Layout
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16
TPS56921EVM-188 Internal Layer-2 Layout
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17
TPS56921EVM-188 Bottom-Side Layout
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18
TPS56921EVM-188 Schematic
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List of Tables
1
Input Voltage and Output Current Summary
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2
TPS56921EVM-188 Performance Specification Summary
............................................................
3
Ideal VOUT versus Code
..................................................................................................
4
EVM Connectors and Test Points
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5
TPS56921EVM-188 Bill of Materials
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SWIFT is a trademark of Texas Instruments.
I
I
2
C is a trademark of NXP.
1
SLVU793 – October 2012
TPS56921EVM-188, 9-A, SWIFT™ Regulator Evaluation Module
Copyright © 2012, Texas Instruments Incorporated