Synchronous switching power supply with boost and/or flyback con

Details Synchronous switching power supply with boost and/or flyback con Synchronous switching power supply with boost and/or flyback con

1989-06-08

1993-07-06

Beha, Jr., William H.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

323222, 323268, 363 71, 307 58, 307 82, H02J 110, G05F 1577

Patent

active

052257673

ABSTRACT:
The synchronous switching power supply can be employed in power supply systems requiring multiple outputs and extremely high efficiency. No minimum load is necessary. A switching power supply with boost and/or flyback converters comprises a switching circuit for providing an AC signal. Two diodes rectify the AC signal and provide a pulsating DC signal to a node. An inductor is coupled thereto for attaining a current. A capacitor is coupled to the inductor for providing a first DC output signal which is also fed back to the switching circuit. The boost and flyback converters are coupled to the node for converting the pulsating DC signal into a second and third DC output signals.

REFERENCES:
patent: 4209826 (1980-06-01), Priegnitz
patent: 4720668 (1988-01-01), Lee et al.
patent: 4745538 (1988-05-01), Cross et al.
patent: 4853837 (1989-08-01), Gulczynski

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