Power supply circuit with a widely varying input voltage

Details Power supply circuit with a widely varying input voltage Power supply circuit with a widely varying input voltage

1996-06-07

1998-04-28

Berhane, Adolf

Electric power conversion systems

Current conversion

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

363 80, H02M 322

Patent

active

057453500

ABSTRACT:
In a power supply circuit supplying a high voltage charger of an implantable cardioverter-defibrillator (ICD), a changer circuit switches the power source of the power supply circuit between a battery and an output signal of a step-up converter. The signal derived from the boost winding rises to a high voltage when the high voltage charger charges the storage capacitors of the ICD. A system current measurement circuit can be provided in the power supply circuit.

REFERENCES:
patent: 4384321 (1983-05-01), Rippel
patent: 4437146 (1984-03-01), Carpenter
patent: 4548209 (1985-10-01), Wielders et al.
patent: 4584514 (1986-04-01), Kaminski
patent: 4797541 (1989-01-01), Billings et al.
patent: 5010469 (1991-04-01), Bobry
patent: 5251624 (1993-10-01), Bocek et al.
patent: 5265588 (1993-11-01), Nelson et al.
patent: 5488553 (1996-01-01), Renger
patent: 5554174 (1996-09-01), Causey, III

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