Novel low dropout linear regulator based on full MOS reference source

The invention discloses a novel low dropout linear regulator based on a full MOS reference source. The regulator comprises a reference module, an amplification module, a power module, a protection module, a transient response module and a feedback module; the reference module comprises a reference v...

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Bibliographische Detailangaben
Hauptverfasser: CHAI CHANGCHUN, QIN YINGSHUO, CHEN KEXU, SONG BOQI, MENG XIANGRUI
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention discloses a novel low dropout linear regulator based on a full MOS reference source. The regulator comprises a reference module, an amplification module, a power module, a protection module, a transient response module and a feedback module; the reference module comprises a reference voltage generation circuit, and the reference voltage generation circuit comprises N-type depletion tubes NDEP1 and NDEP2, an N-type enhancement tube N3, resistors R1 and R2 and a capacitor C1; a drain electrode of the NDEP1 tube is connected with a power supply voltage end VDD, and a grid electrode and a source electrode of the NDEP1 tube are jointly connected with a drain electrode of the NDEP2 tube; a grid electrode and a source electrode of the NDEP2 tube are connected, are jointly connected with a grid electrode of the N3 tube, and are connected with a drain electrode of the N3 tube through the resistor R1; a source electrode and a substrate of the N3 tube are grounded, and the drain electrode of the N3 tube se