ZHCSFQ9B November   2016  – June 2018 TPS54200 , TPS54201

PRODUCTION DATA.  

1. 1 特性
2. 2 應(yīng)用
3. 3 說明
   1.     Device Images
      1.      簡(jiǎn)化電路原理圖
      2.      ADIM 中的深度調(diào)光性能出色
4. 4 修訂歷史記錄
5. 5 說明 （續(xù)）
6. 6 Pin Configuration and Functions
   1.     Pin 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 Timing Requirements
   7. 7.7 Switching Characteristics
   8. 7.8 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  Fixed-Frequency PWM Control
      2. 8.3.2  Error Amplifier
      3. 8.3.3  Slope Compensation and Output Current
      4. 8.3.4  Input Undervoltage Lockout
      5. 8.3.5  Voltage Reference
      6. 8.3.6  Setting LED Current
      7. 8.3.7  Internal Soft Start
      8. 8.3.8  Bootstrap Voltage (BOOT)
      9. 8.3.9  Overcurrent Protection
         1. 8.3.9.1 High-Side MOSFET Overcurrent Protection
         2. 8.3.9.2 Low-Side MOSFET Overcurrent Protection
         3. 8.3.9.3 Low-Side MOSFET Reverse Overcurrent Protection
      10. 8.3.10 Fault Protection
          1. 8.3.10.1 LED-Open Protection
          2. 8.3.10.2 LED Short Protection
          3. 8.3.10.3 Sense-Resistor Short Protection
          4. 8.3.10.4 Sense-Resistor Open Protection
          5. 8.3.10.5 Overvoltage Protection
          6. 8.3.10.6 Thermal Shutdown
   4. 8.4 Device Functional Modes
      1. 8.4.1 Enable and Disable Device
      2. 8.4.2 Mode Detection
      3. 8.4.3 Analog Dimming Mode Operation
      4. 8.4.4 PWM Dimming-Mode Operation
9. 9 Application and Implementation
   1. 9.1 Application Information
   2. 9.2 Typical Application
      1. 9.2.1 TPS5420x 12-V Input, 1.5-A, 3-Piece IR LED Driver With Analog Dimming
         1. 9.2.1.1 Design Requirements
         2. 9.2.1.2 Detailed Design Procedure
            1. 9.2.1.2.1 Inductor Selection
            2. 9.2.1.2.2 Input Capacitor Selection
            3. 9.2.1.2.3 Output Capacitor Selection
            4. 9.2.1.2.4 FB Pin RC Filter Selection
            5. 9.2.1.2.5 Sense Resistor Selection
         3. 9.2.1.3 Application Curves
      2. 9.2.2 TPS5420x 24-V Input, 1-A, 4-Piece WLED Driver With PWM Dimming
         1. 9.2.2.1 Design Requirements
         2. 9.2.2.2 Detailed Design Procedure
            1. 9.2.2.2.1 Inductor Selection
            2. 9.2.2.2.2 Input Capacitor Selection
            3. 9.2.2.2.3 Output Capacitor Selection
            4. 9.2.2.2.4 FB Pin RC Filter Selection
            5. 9.2.2.2.5 Sense Resistor Selection
         3. 9.2.2.3 Application Curves
10. 10Power Supply Recommendations
11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
12. 12器件和文檔支持
    1. 12.1 器件支持
       1. 12.1.1 第三方產(chǎn)品免責(zé)聲明
    2. 12.2 文檔支持
       1. 12.2.1 相關(guān)鏈接
    3. 12.3 接收文檔更新通知
    4. 12.4 社區(qū)資源
    5. 12.5 商標(biāo)
    6. 12.6 靜電放電警告
    7. 12.7 術(shù)語表
13. 13機(jī)械、封裝和可訂購信息