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High performance power supplies are used in a wide variety of applications ranging from telecommunication equipment, industrial equipment, digital televisions, lighting, air conditioners and other home appliances. They all need solutions for power factor correction to improve overall efficiency, improve the input power factor, voltage regulation and Total Harmonic Distortion (THD) of the input current.
This Interleaved PFC application works with universal input voltage range, and produces a single high voltage DC output up to 350W of power. The dual phase interleaved PFC software implements three compensators for voltage, current and load balancing. It also has a feed-forward compensator based on input average voltage.
Devices that are well suited for UPS applications include ones from the SMPS and Digital Power Conversion family such as the dsPIC33FJ06GS101. View the full SMPS & Digital Power Conversion Family here.