SLVAFK5A December   2023  – February 2024 LM5177 , LM51770

1.   1
2.   Abstract
3.   Trademarks
4. 1Introduction
5. 2Parallel or Multiphase Power Stages
   1. 2.1 Paralleling Power Stages
      1. 2.1.1 Load Balancing Requirement
   2. 2.2 Clock Generation
   3. 2.3 Interconnection of the Power Stages
6. 3Application Implementation
   1. 3.1 Soft-start Capacitor
   2. 3.2 Compensation
   3. 3.3 Input and Output Capacitor
   4. 3.4 Usage of the Average Current Sensor
7. 4Test Results
   1. 4.1 Load Current Balancing
   2. 4.2 Inductor Current
   3. 4.3 Thermal Images
      1. 4.3.1 Dual Phase Operation at Variable Load
      2. 4.3.2 Comparison Between Single Phase and Dual Phase Operation
8. 5Summary
9. 6References
10. 7Revision History

Parallel Operation of the Buck-Boost Converters Using LM5177 Buck-Boost Controller