Power voltage regulator circuit

Details Power voltage regulator circuit Power voltage regulator circuit

1987-05-29

1989-09-19

Salce, Patrick R.

Electricity: power supply or regulation systems

Self-regulating

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

323281, G05F 316

Patent

active

048684830

ABSTRACT:
A power voltage regulator circuit has a power terminal to which an external power voltage is supplied, an output line, and a voltage-drop circuit connected between the power terminal and the output line. The voltage drop circuit includes an N-channel MOS transistor having a drain connected to the power terminal and a source connected to the output line, a constant voltage generator for supplying a voltage, lower than the external power voltage, to a gate of the MOS transistor, and a semiconductor well whose surface area serves as a channel region of the MOS transistor.

REFERENCES:
patent: 4283674 (1981-08-01), Kominami et al.
patent: 4585955 (1986-04-01), Uchida
patent: 4593338 (1986-06-01), Takeda et al.
patent: 4608529 (1986-08-01), Mallinson
patent: 4649291 (1987-03-01), Konishi

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