ZHCSNP9B March   2021  – October 2021 TPS61379-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and 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 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1  VCC Power Supply
      2. 8.3.2  Input Undervoltage Lockout (UVLO)
      3. 8.3.3  Enable and Soft Start
      4. 8.3.4  Shut Down
      5. 8.3.5  Switching Frequency Setting
      6. 8.3.6  Spread Spectrum Frequency Modulation
      7. 8.3.7  Bootstrap
      8. 8.3.8  Load Disconnect
      9. 8.3.9  MODE/SYNC Configuration
      10. 8.3.10 Overvoltage Protection (OVP)
      11. 8.3.11 Output Short Protection/Hiccup
      12. 8.3.12 Power-Good Indicator
      13. 8.3.13 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Forced PWM Mode
      2. 8.4.2 Auto PFM Mode
      3. 8.4.3 External Clock Synchronization
      4. 8.4.4 Down Mode
  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 Programming the Output Voltage
        2. 9.2.2.2 Setting the Switching Frequency
        3. 9.2.2.3 Selecting the Inductor
        4. 9.2.2.4 Selecting the Output Capacitors
        5. 9.2.2.5 Selecting the Input Capacitors
        6. 9.2.2.6 Loop Stability and Compensation
          1. 9.2.2.6.1 Small Signal Model
          2. 9.2.2.6.2 Loop Compensation Design Steps
          3. 9.2.2.6.3 Selecting the Bootstrap Capacitor
          4. 9.2.2.6.4 VCC Capacitor
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 术语表
    6. 12.6 静电放电警告
  13. 13Mechanical, Packaging, and Orderable Information

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

8.3.1 VCC Power Supply

The internal LDO in the TPS61379-Q1 outputs a regulated voltage of 4.8 V with 10-mA output current capability. A ceramic capacitor is connected between the VCC pin and GND pin to stabilize the VCC voltage and also decouple the noise on the VCC pin. The value of this ceramic capacitor must be above 1 µF. A ceramic capacitor with an X7R or X5R grade dielectric with a voltage rating higher than 10 V is recommended.
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