SLUAAF4A may   2021  – april 2023 TPS51397A , TPS53318 , TPS53319 , TPS53353 , TPS53355 , TPS548A28 , TPS548A29 , TPS548B22 , TPS548B28 , TPS548D22 , TPS549B22 , TPS549D22 , TPS54J060 , TPS54J061 , TPS54JA20 , TPS54JB20 , TPS566235 , TPS568215 , TPS568230 , TPS56C215 , TPS56C230

 

  1.   Abstract
  2.   Trademarks
  3. 1D-CAP Feedback Loop
  4. 2D-CAP Bode Plot Measurement Setup
  5. 3Bode Plot Measurements
  6. 4Transient Response Waveforms
  7. 5D-CAP2 and D-CAP3 Bode Plot Measurement Setup
  8. 6Measurement Tips
  9. 7Summary
  10. 8References
  11. 9Revision History

5 D-CAP2 and D-CAP3 Bode Plot Measurement Setup

For D-CAP2 and D-CAP3 control systems, the DCR injection circuit is integrated inside the integrated circuit. However, the same technique is applicable. Figure 5-1 shows the loop Bode plot test setup for both D-CAP2 and D-CAP3 converters.
GUID-20210510-CA0I-TTTH-ZQNJ-MD5TQLFX8Q0V-low.jpg Figure 5-1 Proper D-CAP2 and D-CAP3 Control-Loop Bode Plot Measurement Setup