Application Notes
DN-90 UCC3858 Energy Star PFC EVM Board Schematic and List of Materials
Texas Instruments
Published : 05 Sep 99
Description
The UCC3858 provides all functions necessary for active power-factor-corrected preregulators that require high efficiency for low-power operation. This design note describes the UCC3858 demonstration board which illustrates the performance of the IC in a 250W boost converter with power-factor correction. The board accommodates a wide input operating-voltage range (85-265 VAC) and a wide load rang
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