| 摘要 |
A low dropout (LDO) PFET regulator circuit is disclosed for operating in two modes of operation. For higher supply voltage potentials the LDO PFET regulator circuit operates normally, as supply voltage potential drops, the LDO PFET regulator operates in a second mode of operation where a decision circuit determines whether to supply a first boost current thereto in order to compensate for the reduced transimpedance of the first PFET.
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