Voltage regulator circuit for chip card IC

The circuit contains a series regulator with an FET. A capacitor and a further FET, which is provided as a transfer gate and is driven by the POR signal, are connected in series between the source terminal, to which the external supply voltage is applied, and the gate connection. When the external v...

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Bibliographische Detailangaben
1. Verfasser:	U. WEDER
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 CALCULATING COMPUTING CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL OR REGULATION THEREOF CONTROLLING CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY GENERATION HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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Beschreibung
Zusammenfassung:	The circuit contains a series regulator with an FET. A capacitor and a further FET, which is provided as a transfer gate and is driven by the POR signal, are connected in series between the source terminal, to which the external supply voltage is applied, and the gate connection. When the external voltage is applied, the FET opens, with the transfer gate switched on, corresponding to the charging of the capacitor which now takes place. Because this charging process takes a certain amount of time, overshoots in the internal voltage are prevented.