Soft start circuit with adjustable start time and start method

The invention provides a soft start circuit with adjustable start time and a start method. In the circuit, a power supply is respectively connected with a first input end of an output circuit, a first input end of a trigger circuit and an input end of a voltage division circuit; the first output end...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG SHIXIN, LI BOWANG, WANG LIXIN
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 invention provides a soft start circuit with adjustable start time and a start method. In the circuit, a power supply is respectively connected with a first input end of an output circuit, a first input end of a trigger circuit and an input end of a voltage division circuit; the first output end of the voltage division circuit is connected with the second input end of the trigger circuit, and the second output end is connected with the gate of the first switch; the source electrode of the first switch is connected with the PWM controller; the capacitor charging circuit comprises a charging circuit and a second switch, the charging circuit and the second switch are connected in parallel, and a common end of the parallel connection is respectively connected with a third input end of the trigger circuit and a second input end of the output circuit; the grid electrode of the second switch is connected with the output end of the trigger circuit and the third input end of the output circuit. The output end of t