Method of forming a reference voltage and structure therefor

Details Method of forming a reference voltage and structure therefor Method of forming a reference voltage and structure therefor

2007-10-23

2007-10-23

Patel, Rajnikant B. (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S281000

Reexamination Certificate

active

10512767

ABSTRACT:
A selected bandgap reference (11) of a voltage generator (10) is operated at a duty cycle that is less than one hundred percent. The seclectable bandgap reference (11) has at a high current consumption when enabled and a low current consumption when disabled. The output voltage of the selectable bandgap reference (11) is stored on a storage element (13) when the selectable bandgap reference (11) is enabled. A high impedance amplifier (16) receives the stored voltage and generates the reference voltage.

REFERENCES:
patent: 4772793 (1988-09-01), Larson et al.
patent: 5920182 (1999-07-01), Migliavacca

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