ZHCSOL9B March   2013  – August 2021 TPS53511

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  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 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 PWM Operation
      2. 7.3.2 PWM Frequency and Adaptive On-Time Control
      3. 7.3.3 Soft Start and Pre-Biased Soft-Start Function
      4. 7.3.4 Power Good
      5. 7.3.5 Output Discharge Control
      6. 7.3.6 Current Protection
      7. 7.3.7 Overvoltage/Undervoltage Protection
      8. 7.3.8 UVLO Protection
      9. 7.3.9 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Light Load Mode Control
  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 Output Inductor Selection
        2. 8.2.2.2 Output Capacitor Selection
        3. 8.2.2.3 Input Capacitor Selection
        4. 8.2.2.4 Bootstrap Capacitor Selection
        5. 8.2.2.5 VREG5 Capacitor Selection
        6. 8.2.2.6 Output Voltage Setting Resistors Selection
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Considerations
      1. 10.1.1 Thermal Information
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方产品免责声明
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 术语表
  12. 12Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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6.6 Typical Characteristics

GUID-1D10CC64-091F-4B84-B315-5D93851BB9E6-low.gifFigure 6-1 VCC Supply Current vs. Junction Temperature
GUID-F3FA4C79-23CD-4B20-AE66-47E86CA5CB66-low.gifFigure 6-3 1.05-V Output Voltage vs. Output Current
GUID-D7E1382B-14CC-4A86-BC7E-A90C4233AD14-low.gifFigure 6-5 Load Transient Response, 1.05 V, 0 A to 1.5 A
GUID-67A47371-1AF3-40E3-A678-95C61E8135A7-low.gifFigure 6-7 Efficiency vs. Output Current
GUID-B11FCD6A-158D-4FD9-8F52-E91567C0EF5C-low.gifFigure 6-9 Switching Frequency vs Input Voltage
GUID-F5D2F3CA-08E0-441F-AC41-6F1C1452AB11-low.gifFigure 6-11 Output Voltage Ripple
GUID-D3B84DD3-434D-477A-82DD-8F7995C8B220-low.gifFigure 6-2 VCC Shutdown Current vs. Junction Temperature
GUID-297275EF-6E14-45C2-B591-B15FB3F685E9-low.gifFigure 6-4 1.05-V Output Voltage vs. Input Voltage
GUID-51466FC4-C393-43B9-91B5-57DBC9B19A01-low.gifFigure 6-6 Start-Up
GUID-E5781B64-9D7B-4B46-8E73-62E198F5FDBA-low.gifFigure 6-8 Light Load Efficiency vs. Output Current
GUID-20548C20-EB47-4012-9C60-D4EA3A089D5C-low.gifFigure 6-10 Switching Frequency vs Output Current
GUID-445E3516-99A8-440E-9B93-6AED8C820A51-low.gifFigure 6-12 Input Voltage Ripple