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TPS61085PW 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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DC/DC转换器
封装:
TSSOP-8
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Step-Up (Boost) DC/DC Converters (Integrated Switch), Texas Instruments### 直流/直流开关调节器转换器（集成开关），Texas InstrumentsTexas Instruments 的此系列高度集成的高效开关稳压器包括步升（升压）、步降（降压）、步升/降（增压/降压）和反相类型，为每个直流稳压器应用提供高效的解决方案。
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TPS61085PW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
SLVU265A–August 2008–Revised October 2010
TPS61085EVM
This user's guide describes the characteristics, operation, and use of the TPS61085EVM evaluation
module (EVM). This EVM contains the Texas Instruments 650 kHz/1.2 MHz, 18.5 V step-up DC-DC
converter TPS61085 with a switch current of 2 A min. The user's guide includes EVM specifications,
recommended test setup, the schematic diagram, bill of materials, and the board layout.
Contents
1 Introduction .................................................................................................................. 1
1.1 Background ......................................................................................................... 1
1.2 Performance Specification Summary ............................................................................ 1
2 Setup and Test Results .................................................................................................... 2
2.1 Input/Output Connections ......................................................................................... 2
2.2 EVM Operation ..................................................................................................... 3
2.3 Compensation (R3, C5) ........................................................................................... 3
3 Schematic, Bill of Materials, and Board Layout ......................................................................... 4
3.1 Schematic ........................................................................................................... 4
3.2 Bill of Materials ..................................................................................................... 5
3.3 Board Layout ....................................................................................................... 5
List of Figures
1 TPS61085EVM Schematic ................................................................................................ 4
2 Top Assembly Layer........................................................................................................ 6
3 Top Layer Routing .......................................................................................................... 7
4 Bottom View of EVM Layer Routing...................................................................................... 8
List of Tables
1 Performance Specification Summary..................................................................................... 2
2 Recommended Compensation Network Values at High/Low Frequency............................................ 3
3 HPA355A Bill of Materials ................................................................................................. 5
1 Introduction
This section contains background information for the TPS61085EVM evaluation module.
1.1 Background
This TPS61085EVM uses a TPS61085 boost converter to step up 2.3 V to 6 V input voltages to 12 V. The
goal of the EVM is to facilitate evaluation of the TPS61085 power supply solution. The EVM uses the
TPS61085 adjustable output boost converter and the appropriate feedback components to provide 12 V.
1.2 Performance Specification Summary
Table 1 provides a summary of the TPS61085EVM performance specifications. All specifications are given
for an ambient temperature of 25°C.
1
SLVU265A–August 2008–Revised October 2010 TPS61085EVM
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