ZHCSF67 July   2016 TPS54335-2A

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用范围
  3. 3 说明
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Fixed-Frequency PWM Control
      2. 7.3.2  Light-Load Operation
      3. 7.3.3  Voltage Reference
      4. 7.3.4  Adjusting the Output Voltage
      5. 7.3.5  Enabling and Adjusting Undervoltage Lockout
      6. 7.3.6  Error Amplifier
      7. 7.3.7  Slope Compensation and Output Current
      8. 7.3.8  Safe Startup into Pre-Biased Outputs
      9. 7.3.9  Bootstrap Voltage (BOOT)
      10. 7.3.10 Output Overvoltage Protection (OVP)
      11. 7.3.11 Overcurrent Protection
        1. 7.3.11.1 High-Side MOSFET Overcurrent Protection
        2. 7.3.11.2 Low-Side MOSFET Overcurrent Protection
      12. 7.3.12 Thermal Shutdown
      13. 7.3.13 Small-Signal Model for Loop Response
      14. 7.3.14 Simple Small-Signal Model for Peak Current-Mode Control
      15. 7.3.15 Small-Signal Model for Frequency Compensation
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation With VI < 4.5 V (minimum VI)
      2. 7.4.2 Operation With EN Control
      3. 7.4.3 Operation With EN Control
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Supplementary Guidance
      2. 8.1.2 The DRC Package
    2. 8.2 Typical Applications
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Switching Frequency
        2. 8.2.2.2 Output Voltage Set Point
        3. 8.2.2.3 Undervoltage Lockout Set Point
        4. 8.2.2.4 Input Capacitors
        5. 8.2.2.5 Output Filter Components
          1. 8.2.2.5.1 Inductor Selection
          2. 8.2.2.5.2 Capacitor Selection
        6. 8.2.2.6 Compensation Components
        7. 8.2.2.7 Bootstrap Capacitor
        8. 8.2.2.8 Power Dissipation Estimate
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 开发支持
    2. 11.2 文档支持
      1. 11.2.1 相关文档　
    3. 11.3 相关链接
    4. 11.4 接收文档更新通知
    5. 11.5 社区资源
    6. 11.6 商标
    7. 11.7 静电放电警告
    8. 11.8 Glossary
  12. 12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

9 Power Supply Recommendations

The devices are designed to operate from an input supply ranging from 4.5 V to 28 V. The input supply should be well regulated. If the input supply is located more than a few inches from the converter an additional bulk capacitance typically 100 µF may be required in addition to the ceramic bypass capacitors.