I need Adjustment DC-DC switching negative output design function ,Ex: Vin:12V To Vout:-20~-30V. how to use ADI DAC to Control DC-DC VFB pin ,ADI have document to me refer. thanks
It is usually that VFB is fixed. For a fixed switching frequency regulator, a big change in the output voltage will also mean a need for change on other components like the inductor and the compensation to make the converter stable. I recommend that you contact ADI local FAE to consult with. Thank you!
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