Power supply having a predetermined value of input impedance

Details Power supply having a predetermined value of input impedance Power supply having a predetermined value of input impedance

1984-07-13

1986-12-09

Leung, Philip H.

Electricity: power supply or regulation systems

Self-regulating

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

323224, 323316, 330288, G05F 320

Patent

active

046282491

ABSTRACT:
This disclosure dipicts a circuit for power supply comprising: a first constant-output-current circuit (16) for generating a constant-current-output in response to a non-inverted output current from a comparator (4) for comparing an input signal voltage with a reference voltage; and a second constant-output-current circuit (18) for flowing a superfluous current to a lower potential side in response to an inverted output current from the comparator (4), the second constant-output-current circuit (18) including a plurality of NPN type transistors.

REFERENCES:
patent: 4019121 (1977-04-01), Feindt
patent: 4185236 (1980-01-01), Van De Plassche et al.
patent: 4330744 (1982-05-01), Embree et al.
patent: 4513178 (1985-04-01), Hing et al.
patent: 4528496 (1985-07-01), Naokawa et al.

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