30-05-2023 дата публикации
Номер: CN116185122A
Принадлежит:
The invention discloses a linear voltage regulator with a high power supply rejection ratio of negative-phase output voltage, and relates to an integrated circuit technology. The base electrode and the collector electrode of the first NPN tube are grounded, and the emitter electrode of the first NPN tube is connected with a first input end; the second NPN tube group is formed by connecting M NPN tubes in parallel, the base electrode and the collector electrode of each NPN tube are grounded, and the emitter electrode of each NPN tube is connected with a reference point; the third NPN tube group is formed by connecting M NPN tubes in parallel, the base electrode and the collector electrode of each NPN tube are grounded, and the emitter electrode of each NPN tube is connected with the second input end through a third resistor; the normal-phase input end of the error amplifier is connected with the first input end, the inverted-phase input end of the error amplifier is connected with the second ...
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