OVERVOLTAGE PROTECTION CIRCUIT, INTEGRATED CIRCUIT AND SWITCHING CONVERTER WITH THE SAME

An overvoltage protection circuit configured to prevent an overvoltage of an output voltage of a switching converter, can include: an output voltage simulation circuit configured to generate an output voltage simulation signal according to circuit parameters of the switching converter, where the out...

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Bibliographische Detailangaben
Hauptverfasser:	Fan, Hongfeng, Chen, Dengke
Format:	Patent
Sprache:	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 EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION
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Beschreibung
Zusammenfassung:	An overvoltage protection circuit configured to prevent an overvoltage of an output voltage of a switching converter, can include: an output voltage simulation circuit configured to generate an output voltage simulation signal according to circuit parameters of the switching converter, where the output voltage simulation signal changes along with the output voltage; and an overvoltage signal generator configured to activate an overvoltage signal when a feedback voltage is less than a first threshold value and the output voltage simulation signal is greater than a second threshold value.