SLVAFP1 February   2024 TPS54KB20

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Butterfly Footprint Analysis
    1. 2.1 Efficiency
    2. 2.2 Thermal Performance
  6. 3Symmetrical Footprint
  7. 4Asymmetrical Footprint
  8. 5Test Data
  9. 6Summary
  10. 7References

2.2 Thermal Performance

Figure 2-3 and Figure 2-4 show a thermal comparison between TPS54KB20 and TPS54JB20. The measurements were taken under identical conditions: 12V input, 1V output, and internal VCC.

GUID-20240213-SS0I-D8ML-GKK7-CRKNRXWK6NSP-low.jpgFigure 2-3 TPS54KB20 Thermal Characteristics, 800kHz, 20A Load
GUID-20240208-SS0I-QDDJ-VHRH-0ZNLHWB0GMFM-low.jpgFigure 2-4 TPS54JB20 Thermal Characteristics, 800kHz, 20A Load