| 摘要 |
A driving auxiliary circuit receiving an input voltage to control an output voltage of an operational amplifier via a first switch and a second switch is provided. A pull-low circuit turns on the first switch, including a first input terminal coupled to a high voltage source providing a high voltage and a first output terminal for controlling the voltage level of the output voltage. The output voltage is charged to be equal to the input voltage when the input voltage exceeds the output voltage. A pull-high circuit turns on the second switch, including a second input terminal coupled to the high voltage source providing the high voltage and a second output terminal for controlling the voltage level of the output voltage. The output voltage is discharged to be equal to the input voltage when the output voltage exceeds the input voltage.
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