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

An empirical analysis of the impact of board layout on LDO thermal performance