TIDUF09 December   2022

 

  1.   Description
  2.   Resources
  3.   Features
  4.   Applications
  5.   5
  6. 1System Description
    1. 1.1 Key System Specifications
  7. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
    3. 2.3 Theory of Operation
    4. 2.4 Highlighted Products
      1. 2.4.1 TPS7A57 Low Dropout (LDO) Regulator
      2. 2.4.2 LMG1020 Low Side Driver
  8. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
    2. 3.2 Test Setup
      1. 3.2.1 Optional Load Transient Circuit Operation
    3. 3.3 Test Results
      1. 3.3.1 Current Sharing
      2. 3.3.2 VLOAD vs ILOAD
      3. 3.3.3 Load Transient Response
      4. 3.3.4 Current Limit
      5. 3.3.5 Startup
      6. 3.3.6 Noise
      7. 3.3.7 PSRR
      8. 3.3.8 Thermal
      9. 3.3.9 Thermal Limit Protection
  9. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
    2. 4.2 Tools
    3. 4.3 Documentation Support
    4. 4.4 Support Resources
    5. 4.5 Trademarks
  10. 5About the Author

3.3.1 Current Sharing

GUID-20221116-SS0I-SDNN-GQLV-50V2SVLNF6RF-low.pngFigure 3-2 Individual LDO Load Current vs. Total Load Current
GUID-20221116-SS0I-4CM8-LMXK-FZ66MGVVHS5V-low.pngFigure 3-3 Individual LDO Current as a Percentage of the Total Load Current