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TPS51125EVM 产品设计参考手册 - TI（德州仪器）
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TI（德州仪器）
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开发板
描述:
TEXAS INSTRUMENTS TPS51125EVM 评估板, TPS51125, 降压控制器
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TPS51125EVM数据手册
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User's Guide
SLUU311A–APRIL 2008–Revised JULY 2012
High Performance Synchronous Buck EVM Using the
TPS51125
Contents
1 Introduction .................................................................................................................. 2
2 Performance Specification Summary ..................................................................................... 2
3 Schematic .................................................................................................................... 3
4 Test Setup and Results .................................................................................................... 4
5 Configuration ................................................................................................................ 6
6 Physical Layouts ............................................................................................................ 6
7 List of Materials ............................................................................................................. 9
8 References ................................................................................................................. 10
List of Figures
1 TPS51125-EVM Schematic Diagram..................................................................................... 3
2 Equipment Setup for TPS51125EVM board............................................................................. 4
3 5-V Startup Waveforms .................................................................................................... 4
4 3.3-V Startup Waveforms.................................................................................................. 4
5 5-V Load Transient Response ............................................................................................ 5
6 3.3-V Load Transient Response .......................................................................................... 5
7 Top Layer Routing .......................................................................................................... 7
8 Bottom Layer Routing ...................................................................................................... 7
9 Inner Layer 1 ................................................................................................................ 8
10 Inner Layer 2 ................................................................................................................ 8
List of Tables
1 Performance Specification Summary..................................................................................... 2
2 Switching Frequency Selection ........................................................................................... 6
3 Operation Mode Selection ................................................................................................. 6
4 VLCK Control................................................................................................................ 6
5 TPS51125 List of Materials ............................................................................................... 9
1
SLUU311A–APRIL 2008–Revised JULY 2012 High Performance Synchronous Buck EVM Using the TPS51125
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