ZHCSG87E February   2017  – August 2019 TPS61178

PRODUCTION DATA.  

1. 1 特性
2. 2 應用
3. 3 說明
   1.     Device Images
      1.      典型應用
4. 4 修訂歷史記錄
5. 5 Device Comparison Table
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  Under-voltage Lockout
      2. 8.3.2  Enable and Disable
      3. 8.3.3  Startup
      4. 8.3.4  Load Disconnect Gate Driver
      5. 8.3.5  Adjustable Peak Current Limit
      6. 8.3.6  Output Short Protection (with load disconnected FET)
      7. 8.3.7  Adjustable Switching Frequency
      8. 8.3.8  External Clock Synchronization (TPS611781)
      9. 8.3.9  Error Amplifier
      10. 8.3.10 Slope Compensation
      11. 8.3.11 Start-up with the Output Pre-Biased
      12. 8.3.12 Bootstrap Voltage (BST)
      13. 8.3.13 Over-voltage Protection
      14. 8.3.14 Thermal Shutdown
   4. 8.4 Device Functional Modes
      1. 8.4.1 Operation
      2. 8.4.2 Auto PFM Mode (TPS61178)
      3. 8.4.3 Forced PWM Mode (TPS611781)
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 Custom Design With WEBENCH® Tools
         2. 9.2.2.2 Setting the Switching Frequency
      3. 9.2.3 Setting the Current Limit
      4. 9.2.4 Setting the Output Voltage
         1. 9.2.4.1 Selecting the Inductor
         2. 9.2.4.2 Selecting the Output Capacitors
         3. 9.2.4.3 Selecting the Input Capacitors
         4. 9.2.4.4 Loop Stability and Compensation
            1. 9.2.4.4.1 Small Signal Model
            2. 9.2.4.4.2 Loop Compensation Design Steps
            3. 9.2.4.4.3 Selecting the Disconnect FET
            4. 9.2.4.4.4 Selecting the Bootstrap Capacitor
            5. 9.2.4.4.5 VCC Capacitor
      5. 9.2.5 TPS61178 Application Waveform
   3. 9.3 System Examples
      1. 9.3.1 TPS61178 with 14-V Output from 2.7-V to 4.4-V Input Voltage
      2. 9.3.2 TPS61178 Without Load Disconnect Function
      3. 9.3.3 TPS611781 External Clock Synchronization
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 第三方產品免責聲明
       2. 12.1.2 開發支持
          1. 12.1.2.1 使用 WEBENCH® 工具創建定制設計
    2. 12.2 文檔支持
       1. 12.2.1 相關文檔
    3. 12.3 相關鏈接
    4. 12.4 接收文檔更新通知
    5. 12.5 社區資源
    6. 12.6 商標
    7. 12.7 靜電放電警告
    8. 12.8 Glossary
13. 13機械、封裝和可訂購信息