VOLTAGE REGULATOR AND SEMICONDUCTOR MEMORY DEVICE HAVING THE SAME

A voltage regulator and a semiconductor memory device having the same are disclosed. The voltage regulator includes an amplifier configured to amplify a difference between a reference voltage and a feedback voltage to generate an amplifier output voltage, a voltage feedback unit connected between an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHOI, Junhan, KWAK, Myoungbo, SHIN, Eunseok, PARK, Jaewoo, JUNG, Woochul
Format:	Patent
Sprache:	eng
Schlagworte:	CONTROLLING INFORMATION STORAGE PHYSICS REGULATING STATIC STORES SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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Beschreibung
Zusammenfassung:	A voltage regulator and a semiconductor memory device having the same are disclosed. The voltage regulator includes an amplifier configured to amplify a difference between a reference voltage and a feedback voltage to generate an amplifier output voltage, a voltage feedback unit connected between an output supply voltage generation node and a ground voltage and configured to generate the feedback voltage, a first transfer gate unit connected between an input supply voltage and the voltage generation node and driven in response to the amplifier output voltage to provide first current, a current load replica unit connected between the voltage generation node and the ground voltage and configured to consume the first current, and a transfer unit connected between the input supply voltage and the voltage generation node and driven in response to the amplifier output voltage when the current load unit performs an operation, to provide second current.