Ultra-low drop-out monolithic voltage regulator

Details Ultra-low drop-out monolithic voltage regulator Ultra-low drop-out monolithic voltage regulator

1996-03-28

1997-04-29

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

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

323274, 323281, G05F 140

Patent

active

056252781

ABSTRACT:
The voltage regulator circuit contains a MOS transistor 12 connected between a voltage supply line 22 and an output line 30. The MOS transistor 12 provides a stable voltage on the output line 30 independent of voltage transients on the voltage supply line 22 and independent of current transients on the output line 30. An amplifier 14 coupled to the MOS transistor 12 controls the response of the MOS transistor 12. Feedback circuitry connected between the output line 30 and the amplifier 14 provides feedback to the amplifier 14. A voltage source 16 provides the reference for amplifier 14.

REFERENCES:
patent: 4803612 (1989-02-01), Skovmand

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