ZHCSDH1A October 2015 – May 2016 LM5175
PRODUCTION DATA.
- 1 特性
- 2 应用
- 3 说明
- 4 简化电路原理图
- 5 修订历史记录
- 6 Pin Configuration and Functions
- 7 Specifications
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8 Detailed Description
- 8.1 Overview
- 8.2 Functional Block Diagram
- 8.3
Feature Description
- 8.3.1 Fixed Frequency Valley/Peak Current Mode Control with Slope Compensation
- 8.3.2 VCC Regulator and Optional BIAS Input
- 8.3.3 Enable/UVLO
- 8.3.4 Soft-Start
- 8.3.5 Overcurrent Protection
- 8.3.6 Average Input/Output Current Limiting
- 8.3.7 CCM/DCM Operation
- 8.3.8 Frequency and Synchronization (RT/SYNC)
- 8.3.9 Frequency Dithering
- 8.3.10 Output Overvoltage Protection (OVP)
- 8.3.11 Power Good (PGOOD)
- 8.3.12 Gm Error Amplifier
- 8.3.13 Integrated Gate Drivers
- 8.3.14 Thermal Shutdown
- 8.4 Device Functional Modes
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9 Application and Implementation
- 9.1 Application Information
- 9.2
Typical Application
- 9.2.1 Design Requirements
- 9.2.2
Detailed Design Procedure
- 9.2.2.1 Frequency
- 9.2.2.2 VOUT
- 9.2.2.3 Inductor Selection
- 9.2.2.4 Output Capacitor
- 9.2.2.5 Input Capacitor
- 9.2.2.6 Sense Resistor (RSENSE)
- 9.2.2.7 Slope Compensation
- 9.2.2.8 UVLO
- 9.2.2.9 Soft-Start Capacitor
- 9.2.2.10 Dither Capacitor
- 9.2.2.11 MOSFETs QH1 and QL1
- 9.2.2.12 MOSFETs QH2 and QL2
- 9.2.2.13 Frequency Compensation
- 9.2.3 Application Curves
- 10Power Supply Recommendations
- 11Layout
- 12器件和文档支持
- 13机械、封装和可订购信息
12 器件和文档支持
12.1 文档支持
12.2 社区资源
The following links connect to TI community resources. Linked contents are provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use.
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TI E2E™ Online Community TI's Engineer-to-Engineer (E2E) Community. Created to foster collaboration among engineers. At e2e.ti.com, you can ask questions, share knowledge, explore ideas and help solve problems with fellow engineers.
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Design Support TI's Design Support Quickly find helpful E2E forums along with design support tools and contact information for technical support.
12.3 商标
PowerPAD, E2E are trademarks of Texas Instruments.
Webench is a registered trademark of Texas Instruments.
All other trademarks are the property of their respective owners.
12.4 静电放电警告
这些装置包含有限的内置 ESD 保护。 存储或装卸时，应将导线一起截短或将装置放置于导电泡棉中，以防止 MOS 门极遭受静电损伤。
12.5 Glossary
SLYZ022 — TI Glossary.
This glossary lists and explains terms, acronyms, and definitions.