ZHCSEI6 January   2016 LM5140-Q1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 简化电路原理图
  5. 5 修订历史记录
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Switching Characteristics
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  High Voltage Start-up Regulator
      2. 8.3.2  VCC Regulator
      3. 8.3.3  Oscillator
      4. 8.3.4  SYNIN and SYNOUT
      5. 8.3.5  Enable
      6. 8.3.6  Power Good
      7. 8.3.7  Output Voltage
      8. 8.3.8  Minimum Output Voltage Adjustment
      9. 8.3.9  Current Sense
      10. 8.3.10 DCR Current Sensing
      11. 8.3.11 Error Amplifier and PWM Comparator
      12. 8.3.12 Slope Compensation
    4. 8.4 Device Functional Modes
      1. 8.4.1 Hiccup Mode Current Limiting
      2. 8.4.2 Standby Mode
      3. 8.4.3 Soft-Start
      4. 8.4.4 Diode Emulation
      5. 8.4.5 High and low-side Drivers
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1  Inductor Calculation
        2. 9.2.2.2  Current Sense Resistor
        3. 9.2.2.3  Output Capacitor
        4. 9.2.2.4  Input Filter
        5. 9.2.2.5  EMI Filter Design
        6. 9.2.2.6  MOSFET Selection
        7. 9.2.2.7  Driver Slew Rate Control
        8. 9.2.2.8  Sub-Harmonic Oscillation
        9. 9.2.2.9  Control Loop
        10. 9.2.2.10 Error Amplifier
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Procedure
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 器件支持
    2. 12.2 社区资源
    3. 12.3 商标
    4. 12.4 静电放电警告
    5. 12.5 Glossary
  13. 13机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

12 器件和文档支持

12.1 器件支持

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.

    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.
    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

E2E is a trademark 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

esds-image

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.