| 摘要 |
An integrated circuit includes first circuit elements with a supply voltage which is equal to the external supply voltage of the IC, and second circuit elements with a supply voltage which is smaller than the external supply voltage and is derived as an internal supply voltage from the first supply voltage. An active voltage divider supplies the internal supply voltage and includes a first resistance voltage divider connected between the supply voltage terminal and the reference potential, an impedance transformer connected after the first resistance voltage divider, and a circuit for controlling the scaled voltage at the tap of the first resistance voltage divider as a function of the load of the second circuit elements.
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