ZHCSDH1A October 2015 – May 2016 LM5175
PRODUCTION DATA.
- 1 特性
- 2 應(yīng)用
- 3 說明
- 4 簡化電路原理圖
- 5 修訂歷史記錄
- 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器件和文檔支持
- 13機械、封裝和可訂購信息
封裝選項
機械數(shù)據(jù) (封裝 | 引腳)
散熱焊盤機械數(shù)據(jù) (封裝 | 引腳)
訂購信息
12 器件和文檔支持
12.1 文檔支持
12.1.1 相關(guān)文檔
請訪問德州儀器 (TI) 主頁以獲取最新技術(shù)文檔，包括應(yīng)用筆記、用戶指南和參考設(shè)計。
應(yīng)用報告《IC 封裝熱指標(biāo)》，SPRA953.
12.2 社區(qū)資源
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 商標(biāo)
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 靜電放電警告
這些裝置包含有限的內(nèi)置 ESD 保護。 存儲或裝卸時，應(yīng)將導(dǎo)線一起截短或?qū)⒀b置放置于導(dǎo)電泡棉中，以防止 MOS 門極遭受靜電損傷。
12.5 Glossary
SLYZ022 — TI Glossary.
This glossary lists and explains terms, acronyms, and definitions.