ZHCSBE6E August   2013  – May 2019 TPS54618-Q1

PRODUCTION DATA.  

1. 1 特性
2. 2 應(yīng)用
3. 3 說明
   1.     Device Images
      1.      簡化原理圖
      2.      效率與輸出電流間的關(guān)系
4. 4 修訂歷史記錄
5. 5 Pin Configuration and Functions
   1.     Pin 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 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 and Output Current
      3. 7.3.3  Bootstrap Voltage (Boot) and Low Dropout Operation
      4. 7.3.4  Error Amplifier
      5. 7.3.5  Voltage Reference
      6. 7.3.6  Adjusting the Output Voltage
      7. 7.3.7  Enable and Adjusting Undervoltage Lockout
      8. 7.3.8  Soft-Start Pin
      9. 7.3.9  Sequencing
      10. 7.3.10 Constant Switching Frequency and Timing Resistor (RT/CLK Pin)
      11. 7.3.11 Overcurrent Protection
      12. 7.3.12 Frequency Shift
      13. 7.3.13 Reverse Overcurrent Protection
      14. 7.3.14 Synchronize Using the RT/CLK Pin
      15. 7.3.15 Power Good (PWRGD Pin)
      16. 7.3.16 Overvoltage Transient Protection
      17. 7.3.17 Thermal Shutdown
   4. 7.4 Device Functional Modes
      1. 7.4.1 Simple Small Signal Model for Peak Current Mode Control
      2. 7.4.2 Small Signal Model for Frequency Compensation
8. 8 Application and Implementation
   1. 8.1 Application Information
   2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
         1. 8.2.2.1 Custom Design With WEBENCH® Tools
         2. 8.2.2.2 Step One: Select the Switching Frequency
         3. 8.2.2.3 Step Two: Select the Output Inductor
         4. 8.2.2.4 Step Three: Choose the Output Capacitor
         5. 8.2.2.5 Step Four: Select the Input Capacitor
         6. 8.2.2.6 Step Five: Choose the Soft-Start Capacitor
         7. 8.2.2.7 Step Six: Select the Bootstrap Capacitor
         8. 8.2.2.8 Step Eight: Select Output Voltage and Feedback Resistors
            1. 8.2.2.8.1 Output Voltage Limitations
         9. 8.2.2.9 Step Nine: Select Loop Compensation Components
      3. 8.2.3 Application Curves
9. 9 Power Supply Recommendations
10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Power Dissipation Estimate
11. 11器件和文檔支持
    1. 11.1 器件支持
       1. 11.1.1 開發(fā)支持
       2. 11.1.2 使用 WEBENCH® 工具創(chuàng)建定制設(shè)計
    2. 11.2 接收文檔更新通知
    3. 11.3 社區(qū)資源
    4. 11.4 商標(biāo)
    5. 11.5 靜電放電警告
    6. 11.6 Glossary
12. 12機械、封裝和可訂購信息