SLVAE85A February   2019  – September 2025 LM1117-Q1 , LM317 , LP2951 , LP2951-Q1 , LP2985 , TL1963A , TL1963A-Q1 , TLV1117 , TLV709 , TLV755P , TLV761 , TLV766-Q1 , TLV767 , TLV767-Q1 , TPS709 , TPS709-Q1 , TPS715 , TPS745 , TPS7A16A , TPS7A16A-Q1 , TPS7A25 , TPS7A26 , TPS7A43 , TPS7A44 , TPS7A47 , TPS7A47-Q1 , TPS7A49 , TPS7B63-Q1 , TPS7B68-Q1 , TPS7B69-Q1 , TPS7B81 , TPS7B81-Q1 , TPS7B82-Q1 , TPS7B83-Q1 , TPS7B84-Q1 , TPS7B85-Q1 , TPS7B86-Q1 , TPS7B87-Q1 , TPS7B88-Q1 , TPS7B91 , TPS7B92 , TPS7C84-Q1 , UA78L , UA78M , UA78M-Q1

 

  1.   1
  2.   An empirical analysis of the impact of board layout on LDO thermal performance
  3.   Trademarks
  4. 1Introduction
  5. 2Procedure
  6. 3Test Results and Discussion
  7. 4Conclusion
  8. 5Future Study
  9. 6References
  10. 7Revision History
  11.   A Thermal Test Board Layouts
    1.     A.1 TPS745 (WSON) Drawings
      1.      A.1.1 1S0P Approximation Layout Drawings
      2.      A.1.2 Internally Disconnected Layout Drawings
      3.      A.1.3 JEDEC High-K Approximation Layout Drawings
      4.      A.1.4 Thermally Enhanced Layout Drawings
      5.      A.1.5 Thermally Saturated Layout Drawings
    2.     A.2 TPS7B82-Q1 (TO-252) Drawings
      1.      A.2.1 1S0P Approximation Layout Drawings
      2.      A.2.2 Internally Disconnected Layout Drawings
      3.      A.2.3 JEDEC High-K Approximation Layout Drawings
      4.      A.2.4 Thermally Enhanced Layout Drawings
      5.      A.2.5 Thermally Saturated Layout Drawings
    3.     A.3 TLV755P (SOT-23) Drawings
      1.      A.3.1 1S0P Approximation Layout Drawings
      2.      A.3.2 Internally Disconnected Layout Drawings
      3.      A.3.3 JEDEC High-K Approximation Layout Drawings
      4.      A.3.4 Thermally Enhanced Drawings
      5.      A.3.5 Thermally Saturated Layout Drawings
  12.   B Thermal Test Results
    1.     B.1 Thermal Performance Data

1S0P Approximation Layout Drawings

 TPS7B82-Q1 (TO-252) 1S0P Approximation Top LayerFigure 8-21 TPS7B82-Q1 (TO-252) 1S0P Approximation Top Layer
 TPS7B82-Q1 (TO-252) 1S0P Approximation Internal Layer 2Figure 8-23 TPS7B82-Q1 (TO-252) 1S0P Approximation Internal Layer 2
 TPS7B82-Q1 (TO-252) 1S0P Approximation Internal Layer 1Figure 8-22 TPS7B82-Q1 (TO-252) 1S0P Approximation Internal Layer 1
 TPS7B82-Q1 (TO-252) 1S0P Approximation Bottom LayerFigure 8-24 TPS7B82-Q1 (TO-252) 1S0P Approximation Bottom Layer