Analyzing the SEPIC Converter

by Dr. Ray Ridley, Ridley Engineering, Power Systems Design Europe, Nov 01 2006

Focus:
The single-ended primary-inductance converter (SEPIC) exhibits complex control characteristics. Vorperian's PWM switch model offers a good means for performing ac and dc analysis on the SEPIC. PSpice can also be used with the benefit that it accounts for parasitic resistances. Design tips and pitfalls for the SEPIC are noted.

What you’ll learn:

• How to understand operation of a SEPIC converter
• How to perform ac and dc analysis on the SEPIC using Vorperian's PWM switch model and PSpice
• How to avoid common mistakes in SEPIC designs

Notes:
This article is found in the Power Systems Design archive. To access the archive, you must log in as a member of the PSD Community at www.powersystemsdesign.com/signup.

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