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TPS70933DBVT 产品设计参考手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
稳压芯片
封装:
SOT-23-5
描述:
TEXAS INSTRUMENTS TPS70933DBVT 固定电压稳压器, LDO, 2.7V至30V, 960mV压差, 3.3V输出, 150mA输出, SOT-23-5
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TPS70933DBVT数据手册
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若手册格式错乱，请下载阅览PDF原文件
User's Guide
SLVU689A–June 2011–Revised September 2012
TPS709xxEVM-110 Evaluation Module
This User’s Guide describes the operational use of the TPS709xxEVM-110 Evaluation Module (EVM) as a
reference design for engineering demonstration and evaluation of the TPS709xx, low dropout linear
regulator (LDO). Included in this user’s guide are setup instructions, a schematic diagram, board layout,
thermal guidelines, a bill of materials, and test results.
Contents
1 Introduction .................................................................................................................. 2
2 Setup ......................................................................................................................... 2
2.1 Input/Output Connectors and Jumper Descriptions ........................................................... 2
2.2 Equipment Setup ................................................................................................... 2
3 Operation ..................................................................................................................... 2
4 Test Results ................................................................................................................. 3
4.1 Turn-on Waveform ................................................................................................. 3
4.2 Turn-off Waveform ................................................................................................. 4
4.3 Load Transient Waveform ........................................................................................ 4
4.4 PSRR ................................................................................................................ 5
5 Thermal Guidelines and Layout Recommendations ................................................................... 6
6 Board Layout ................................................................................................................ 6
List of Figures
1 Turn-on Waveforms Into Full Load (22 Ω) of the TPS70933EVM-110 .............................................. 3
2 Turn-off Waveforms of the TPS70933EVM-110 ........................................................................ 4
3 Load Step and Transient Response of the TPS70933EVM-110 ..................................................... 4
4 PSRR of the TPS70933EVM for Various Output Currents............................................................ 5
5 PSRR of the TPS70933EVM for Various Input Voltages.............................................................. 5
6 TPS709xxEVM-110 Assembly Layer..................................................................................... 6
7 TPS709xxEVM-110 Top Layer Routing.................................................................................. 6
8 TPS709xxEVM-110 Bottom Layer Routing.............................................................................. 7
9 TPS709xxEVM-110 Schematic ........................................................................................... 7
List of Tables
1 Thermal Resistance, θ
JA
, and Maximum Power Dissipation........................................................... 6
2 TPS709xxEVM-110 Bill of Materials...................................................................................... 7
1
SLVU689A–June 2011–Revised September 2012 TPS709xxEVM-110 Evaluation Module
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