| 摘要 |
A buffer circuit serves for buffering a supply voltage of an integrated circuit. The supply voltage is present between two potential nodes. A series circuit is disposed between the two potential nodes and includes at least two buffer capacitors between which a third potential node is disposed. The third potential node is connected to an additional circuit which influences the potential of the third potential node in such a way that it does not exceed an upper and/or lower limit value when a leakage current occurs through one of the capacitors. The advantage of the buffer circuit is that when there is a defect in just one of the buffer capacitors, the other capacitor is prevented from being destroyed.
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