Method and apparatus for operating an internally timed switching

Details Method and apparatus for operating an internally timed switching Method and apparatus for operating an internally timed switching

1977-07-06

1979-03-20

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

323DIG1, G05F 156

Patent

active

041456505

ABSTRACT:
A method and apparatus for operating an internally timed switching regulator, in which a controllable switch is closed when the output voltage falls below a predetermined first set value and in which the controllable switch is opened when the output voltage exceeds a second set value in which an exponentially variable second set value is used in order to obtain at least approximately constant "on" or "off" time of the switch, to thereby keep the switching frequency constant regardless of changes of the input voltage, the load and the ambient temperature.

REFERENCES:
patent: 3320512 (1967-05-01), Kruger
patent: 3670233 (1972-06-01), Zellmer et al.
Solid/State/Design, Apr. 1963; pp. 30-34; "Considerations in the Design of Switching Type Regulators" by Loucks.
Electronic Design 6, Mar. 15, 1975; pp. 54-58; article by E. R. Hnatek.

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