Constant current drive for switching power supply

Details Constant current drive for switching power supply Constant current drive for switching power supply

1983-11-14

1986-02-04

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363132, 307270, H02P 1320, H02M 7537

Patent

active

045690111

ABSTRACT:
A switching power supply uses constant current sources, switching transistors and current coupled transformers for switching current through the switching power supply. The switching current is proportional to the current of the constant current sources. The use of constant currents to drive output transistors of the switching power supply improves the efficiency of the switching power supply and desensitizes the switching power supply to variations in unregulated power sources.

REFERENCES:
patent: 3683208 (1972-08-01), Burens
patent: 3820008 (1974-06-01), Guarnaschelli
patent: 4025843 (1977-05-01), Parker
patent: 4302807 (1981-11-01), Mentler

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