ZHCSBT5C October   2013  – January 2017 TPS54541

PRODUCTION DATA.  

1. 1 特性
2. 2 应用
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 Requirements
   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  Slope Compensation Output Current
      3. 7.3.3  Pulse Skip Eco-mode
      4. 7.3.4  Low Dropout Operation and Bootstrap Voltage (BOOT)
      5. 7.3.5  Error Amplifier
      6. 7.3.6  Adjusting the Output Voltage
      7. 7.3.7  Enable and Adjusting Undervoltage Lockout
      8. 7.3.8  Soft-Start/Tracking Pin (SS/TR)
      9. 7.3.9  Sequencing
      10. 7.3.10 Constant Switching Frequency and Timing Resistor (RT/CLK) Pin)
      11. 7.3.11 Synchronization to RT/CLK Pin
      12. 7.3.12 Maximum Switching Frequency
      13. 7.3.13 Accurate Current Limit Operation
      14. 7.3.14 Power Good (PWRGD Pin)
      15. 7.3.15 Overvoltage Protection
      16. 7.3.16 Thermal Shutdown
      17. 7.3.17 Small-Signal Model for Loop Response
      18. 7.3.18 Simple Small-Signal Model for Peak-Current-Mode Control
      19. 7.3.19 Small Signal Model for Frequency Compensation
   4. 7.4 Device Functional Modes
8. 8 Application and Implementation
   1. 8.1 Application Information
   2. 8.2 Typical Applications
      1. 8.2.1 Buck Converter for 6-V to 42-V Input and 3.3-V at 5-A Output
         1. 8.2.1.1 Design Requirements
         2. 8.2.1.2 Detailed Design Procedure
            1. 8.2.1.2.1  Custom Design with WEBENCH® Tools
            2. 8.2.1.2.2  Selecting the Switching Frequency
            3. 8.2.1.2.3  Output Inductor Selection (LO)
            4. 8.2.1.2.4  Output Capacitor
            5. 8.2.1.2.5  Catch Diode
            6. 8.2.1.2.6  Input Capacitor
            7. 8.2.1.2.7  Slow-Start Capacitor
            8. 8.2.1.2.8  Bootstrap Capacitor Selection
            9. 8.2.1.2.9  Undervoltage Lockout Set Point
            10. 8.2.1.2.10 Output Voltage and Feedback Resistors Selection
            11. 8.2.1.2.11 Compensation
            12. 8.2.1.2.12 Power Dissipation Estimate
            13. 8.2.1.2.13 Safe Operating Area
            14. 8.2.1.2.14 Discontinuous Conduction Mode and Eco-mode Boundary
         3. 8.2.1.3 Application Curves
      2. 8.2.2 Inverting Buck-Boost Topology for Positive Input to Negative Output
      3. 8.2.3 Split-Rail Topology for Positive Input to Negative and Positive Output
9. 9 Power Supply Recommendations
10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Estimated Circuit Area
11. 11器件和文档支持
    1. 11.1 器件支持
       1. 11.1.1 Third-Party Products Disclaimer
       2. 11.1.2 开发支持
    2. 11.2 文档支持
       1. 11.2.1 相关文档　
       2. 11.2.2 《使用 WEBENCH® 工具定制设计方案》
    3. 11.3 接收文档更新通知
    4. 11.4 社区资源
    5. 11.5 商标
    6. 11.6 静电放电警告
    7. 11.7 Glossary
12. 12机械、封装和可订购信息