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

Thermally Saturated Layout Drawings

 TPS745 (WSON) Thermally Saturated Top LayerFigure 8-17 TPS745 (WSON) Thermally Saturated Top Layer
 TPS745 (WSON) Thermally Saturated Internal Layer 2Figure 8-19 TPS745 (WSON) Thermally Saturated Internal Layer 2
 TPS745 (WSON) Thermally Saturated Internal Layer 1Figure 8-18 TPS745 (WSON) Thermally Saturated Internal Layer 1
 TPS745 (WSON) Thermally Saturated Bottom LayerFigure 8-20 TPS745 (WSON) Thermally Saturated Bottom Layer