Large capacitive load power-up buffer circuit

The utility model relates to the technical field of power-up buffer circuits, in particular to a large capacitive load power-up buffer circuit, which comprises a resistor R1, a resistor R2 and a resistor R3, one end of the resistor R1 is respectively connected with one end of the resistor R2, one en...

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Bibliographische Detailangaben
Hauptverfasser:	ZHU YUHANG, ZHU BINHUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	The utility model relates to the technical field of power-up buffer circuits, in particular to a large capacitive load power-up buffer circuit, which comprises a resistor R1, a resistor R2 and a resistor R3, one end of the resistor R1 is respectively connected with one end of the resistor R2, one end of the resistor R3, a voltage input end and a source electrode of a P-channel MOS (Metal Oxide Semiconductor) tube VT1, and the other end of the resistor R1 is connected with the source electrode of the P-channel MOS tube VT1. The other end of the resistor R1 is respectively connected with the other end of the resistor R2, the other end of the resistor R3, a drain electrode of a P-channel MOS tube VT1, one end of a resistor R7, one end of a capacitor C1 and a voltage output end, a grid electrode of the P-channel MOS tube VT1 is connected with a collector electrode of an NPN triode VT2, a base electrode of the NPN triode VT2 is connected with an anode of a voltage stabilizing diode D1, a cathode of the voltage sta