| Power circuit diagram - Convert negative inputs to positive outputs | |
|---|---|
 | Voltage divider R1/R2 at IC1’s output provides feedback that sets the output voltage 10.5V above IC1’s ground pin. Shane Chang and Budge Ing, Maxim Integrated Products, Sunnyvale, California |
You can obtain a precise, positive-output voltage from a negative-voltage supply with a boost converter and a linear regulator. | |
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