I am planning to use a UCD3138 digital power controller for my new design. The design will be operated from 220V AC and should output 3 isolated power channels when the output voltage of each channel can be dynamically changed between 12V and 0.8V. The power of each channel is 30W. In additional some sequencing and ramp-up/down will be synchronously performed on the three channels. Due to the fact that UCD3138 have three different control loops and integrated ARM7 core that will be able to perform all the required sequencing this part was chosen. The problem is that there is not much information about this part on TI site, and some questions arise:
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