Switching regulator having at least one regulated output voltage

Details Switching regulator having at least one regulated output voltage Switching regulator having at least one regulated output voltage

1993-08-02

1994-10-18

Stephan, Steven L.

Electric power conversion systems

Current conversion

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

323282, H02M 3335, G05F 140

Patent

active

053574150

ABSTRACT:
A switching regulator having a power switch arranged in a main circuit of the primary side in series with a current-measuring resistor and having a delta voltage source in series with the current-measuring resistor. The delta voltage source can be realized in a simple manner in that the current-measuring resistor is arranged in the emitter circuit of an auxiliary transistor whose base is connected to a periodically chargeable and dischargeable capacitor. A regulation of at least one output voltage is preferably provided by underlying voltage regulation in combination with a current-dependent inductance. The switching regulator can be advantageously employed as a feeding apparatus in electrical communications transmission technology.

REFERENCES:
patent: 4672518 (1987-06-01), Murdock
patent: 4772995 (1988-09-01), Gautherin et al.
patent: 4876636 (1989-10-01), Rilly et al.
patent: 4975820 (1990-12-01), Szepesi
patent: 5041956 (1991-08-01), Marinus
patent: 5276604 (1994-01-01), Messman

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