Dual operating mode switching power supply

Details Dual operating mode switching power supply Dual operating mode switching power supply

1985-07-17

1987-03-10

Salce, Patrick R.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 79, 363 97, H02M 3335

Patent

active

046494642

ABSTRACT:
A power supply circuit of switching regulator type includes a converter transformer defined by a first winding for receiving input power from a DC source and second winding for producing output power, a switching transistor for alternately making and breaking electric connection between the DC source and the first winding by alternate turn on and off operations of the switching transistor, and a rectifying circuit connected to the second winding for rectifying the output power. A power supply circuit further includes a first error detector for detecting a drift in the rectified output DC current and for producing a first control signal, a second error detector for detecting a drift in the rectified output DC voltage and for producing a second control signal, and a controller for controlling the on and off operations of the switching transistor based on either one of the first control signal and the second control signal so as to stabilize the rectified output power.

REFERENCES:
patent: 3978393 (1976-08-01), Wisner et al.
patent: 4146832 (1979-03-01), McConnell
patent: 4361865 (1982-11-01), Shono
patent: 4456872 (1984-06-01), Froeschle
patent: 4486822 (1984-12-01), Marinus
patent: 4488210 (1984-12-01), Shono
patent: 4524412 (1985-06-01), Eng

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