1. A 1.5kW PSFB power supply with PFC was designed using the UCC3817 PFC boost pre-regu-lator and UCC3895 Advanced Phase Shift PWM controller. 2. Using the UCC2894 active clamp current mode PWM controller, a 200W dc to dc converter was designed for reduced cost and high efficiency in a blade server application. 3. Reference designs and efficiency modeling tools were provided to reduce design cycle time. 4. Customer now has two scalable ZVS power designs to cover blade server applications from as low as 100W to many kilowattsS.
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