Voltage regulator

Details Voltage regulator Voltage regulator

2011-03-15

2011-03-15

Han, Jessica (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S274000

Reexamination Certificate

active

07906952

ABSTRACT:
A voltage regulator includes a comparator, a first voltage output unit, a second voltage output unit, a third voltage output unit, a first switch and a second switch. The voltage regulator receives an operating voltage and a reference voltage generated by a reference voltage generator, and then outputs a corresponding output voltage. The voltage regulator of the present invention can provide an operation mode, a suspend mode and a standby mode and can be switched among these modes to provide corresponding current driving capacity for respective operation states. When in the operation mode, the voltage regulator can supply a great current. When in the suspend mode, the voltage regulator consumes less power. When in the standby mode, the voltage regulator consumes even less power.

REFERENCES:
patent: 5717319 (1998-02-01), Jokinen
patent: 6998826 (2006-02-01), Fukui
patent: 7262586 (2007-08-01), Gradinariu
patent: 7629711 (2009-12-01), Zhong et al.
patent: 2008/0180079 (2008-07-01), Kurozo et al.
patent: 520562 (2003-02-01), None
patent: 200720877 (2007-06-01), None

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