Regulated negative voltage supply

Details Regulated negative voltage supply Regulated negative voltage supply

1979-11-21

1981-07-14

Shoop, William M.

Electricity: power supply or regulation systems

Self-regulating

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

G05F 140

Patent

active

042789290

ABSTRACT:
A single chip MOS regulated negative power supply is comprised of first, second and third strings of field effect transistors and first and second amplifiers. The first string in conjunction with the zener diode develops a reference voltage which then passes through a voltage to current converter comprised of a first amplifier, the second string and an output transistor. The current thus produced passes through a third string of field effect transistors which is referenced to ground. The second amplifier provides negative feedback to the third string to produce the regulated output.

REFERENCES:
patent: 3639824 (1972-02-01), Malavasi
patent: 3826969 (1974-07-01), Eichelberger et al.
patent: 4099115 (1978-07-01), Watanabe
patent: 4110677 (1978-08-01), Boronkay et al.

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