The design parameters of a buck converter are investigated based on ac small-signal design parameters such as open-loop, input-to-output and control-to-output transfer functions including distributed circuit parameters that account for PCB parasitics. It is demonstrated that the PCB effects neglected in a 2nd order model could affect the design parameters such as selection of switching frequency. The relations developed in this work are validated in the power design of an idustrial circuit and compared to the conventional 2nd order models.

Additional Metadata
Keywords Buck Converter, EMI, Power Integrity, Small-Signal Analysis
Persistent URL dx.doi.org/10.1109/SaPIW.2016.7496296
Conference 20th IEEE Workshop on Signal and Power Integrity, SPI 2016
Citation
Erdin, I. (Ihsan), & Achar, R. (2016). Addressing PCB effects in the design of a buck converter. Presented at the 20th IEEE Workshop on Signal and Power Integrity, SPI 2016. doi:10.1109/SaPIW.2016.7496296