Apparatus and method for a quasi-resonant DC to DC bridge conver

Details Apparatus and method for a quasi-resonant DC to DC bridge conver Apparatus and method for a quasi-resonant DC to DC bridge conver

1989-02-06

1990-05-01

Salce, Patrick R.

Electric power conversion systems

Current conversion

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

363 48, 363 98, H02M 3335

Patent

active

049223976

ABSTRACT:
A DC to DC converter is described having a bridge circuit coupled to the secondary windings of a transformer, the transformer supplying power to a capacitor and a constant current load source. The circuit parameters are chosen to provide a circuit that has quasi-resonant characteristics close to the frequency of the signal providing power to the transformer, but at a higher value. Other constraints on the circuit parameters are discussed. The resulting circuit provides an efficient transfer of energy from the source power supply to the load.

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Dixon et al., Proceedings of Powercon 8, "Designing Optimal Multi-Output Converters with a Coupled-Inductor Current-Driven Topology", pp. 1-12, 4/81.
Myers et al., "200-kHz Power FET Technology in New Modular Power Supplies", Hewlett Packard Journal, 8/81, pp. 3-10.
Babu, "A Practical Resonant Converter Using High Speed Power Darlington Transistors", PCI Proceedings, 3/82, pp. 122-141.
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Carlsten, IBM Technical Disclosure, "Resonant Zero Crossover DC-to-DC Converter", Jan. 1980, FIGS. 1-4.
Joyce et al., IBM Technical Disclosure, "Current-Mode Regenerative Gate Drive for Power FETS", Oct. 1983, p. 2246.

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