SLVAF18 March   2021 TPSM5601R5H

 

  1.   Trademarks
  2. 1Noise Origin
    1. 1.1 Parasitic Elements
    2. 1.2 High Frequency Noise and Low Frequency Ripple
  3. 2Effective Construction of a Power Module
    1. 2.1 Noise Reduction
    2. 2.2 TPSM5601R5H Step-Down Power Module
  4. 3Spread Spectrum
    1. 3.1 Concept
    2. 3.2 Tradeoffs
    3. 3.3 Other EMI Mitigation Techniques
    4. 3.4 EMI Results
  5. 4Summary
  6. 5References

3 Spread Spectrum

Spread Spectrum techniques (or “dithering”) are commonly found in switch-mode power supply systems to reduce the effect of EMI that SMPS generate.