Direct-current stabilized power supply circuit of switching power supply driving chip

The utility model provides a direct-current stabilized power supply circuit of a switching power supply driving chip, the direct-current stabilized power supply circuit comprises a charging control circuit, a detection control circuit and a digital logic circuit, a high-voltage direct-current power...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	LI FUHUA, TANG CHEN, XIA GONGTIAN, SONG AIWU
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The utility model provides a direct-current stabilized power supply circuit of a switching power supply driving chip, the direct-current stabilized power supply circuit comprises a charging control circuit, a detection control circuit and a digital logic circuit, a high-voltage direct-current power supply is connected with the charging control circuit, the output end of the charging control circuit is connected with the detection control circuit, and the output end of the detection control circuit is connected with the digital logic circuit. The output end of the detection control circuit is connected with the digital logic circuit, and the output end of the digital logic circuit is connected with the charging control circuit; the junction field effect transistor is used for reducing voltage and controlling the charging control circuit to work or not work, the output end of the junction field effect transistor is connected with the resistor R5 and the MOS tube M3, the MOS tube M3 is connected with the MOS tub