Voltage generation circuit capable of supplying stable power sup

Details Voltage generation circuit capable of supplying stable power sup Voltage generation circuit capable of supplying stable power sup

1999-07-29

2000-07-04

Nguyen, Matthew

Electricity: power supply or regulation systems

Output level responsive

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

323282, G05F 140, G05F 156

Patent

active

060843861

ABSTRACT:
A voltage generation circuit includes a voltage comparing circuit to compare a reference voltage signal Vi and an internal power supply voltage Vcc and a current supply transistor to supply current based on the output voltage of the voltage comparing circuit and maintain Vcc. The voltage generation circuit also includes a reference voltage signal generation circuit which responds to a control signal ACT activated for a prescribed time period prior to the operation timing of a load and sets Vi=Vref when control signal ACT is inactive and Vi=Vref+.DELTA.V when control signal ACT is active.

REFERENCES:
patent: 5321653 (1994-06-01), Suh et al.
patent: 5612920 (1997-03-01), Tomishima
patent: 5694028 (1997-12-01), Salmonson et al.
patent: 5764041 (1998-06-01), Pulvirenti et al.
patent: 5828206 (1998-10-01), Hosono et al.

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