Power supply for generating at least two regulated interdependen

Details Power supply for generating at least two regulated interdependen Power supply for generating at least two regulated interdependen

1995-07-11

1997-05-20

Nguyen, Matthew V.

Electricity: power supply or regulation systems

Output level responsive

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

363 21, G05F 1577

Patent

active

056315465

ABSTRACT:
A circuit arrangement for generating at least two interdependent supply voltages from an input voltage includes a first control stage for controlling the actual value of a first one (Ua1) of the supply voltages to a first nominal value which is adjustable between a first upper and a first lower tolerance limit. At least one further control stage controls the actual value of each further one of the supply voltages (Ua2, . . . , Uan) to a further nominal value, which is preferably adjustable within a range between each time a further upper and a further lower tolerance limit, by varying the first nominal value in the range between the first upper and the first lower tolerance limit in response to control signals obtained by a comparison performed between the actual values of the further supply voltages (Ua2, . . . , Uan) and the associated further nominal values in the associated control stages. This simplified circuit arrangement improves the accuracy of the supply voltages under load conditions.

REFERENCES:
patent: 4449173 (1984-05-01), Nishino et al.
patent: 4660136 (1987-04-01), Montorefano
patent: 4677534 (1987-06-01), Okochi
patent: 4935858 (1990-06-01), Panicali
patent: 5707294 (1991-12-01), Nochi

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