| 摘要 |
There are included a first power supply voltage input part (VDD) that can input a first power supply voltage; a second power supply voltage input part (VDD2) that can input a second power supply voltage; a regulator circuit (11) that generates a back bias voltage based on the second power supply voltage; and an output part (VBP1) that can output, as an output voltage, the back bias voltage generated by the regulator circuit (11). In this way, the generation of a board bias can be achieved with lower power consumption, while the circuit scale can be reduced.
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