Circuit arrangement for the controlled supply to a load

Details Circuit arrangement for the controlled supply to a load Circuit arrangement for the controlled supply to a load

1982-01-11

1984-08-07

Shoop, William M.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 48, H02J 704

Patent

active

044646194

ABSTRACT:
A supply circuit for supplying an electrical load with a relatively constant current from a variable voltage input source, the supply circuit including a blocking oscillator including a transformer with primary and secondary windings and a switching transistor, the load terminals of the switching transistor being connected in series with the primary winding across the voltage input source, a resistor-capacitor circuit connected between the secondary winding and a control terminal of the switching transistor, a diode connected between the secondary winding and a first terminal of the electrical load, a voltage feedback connection for applying to a first load terminal of the switching transistor a portion of the secondary winding voltage, and a reference voltage source connected to the control terminal of the switching transistor.

REFERENCES:
patent: 3568038 (1971-03-01), Enders et al.
patent: 4005351 (1977-01-01), Blum
patent: 4155081 (1979-05-01), Haglund
patent: 4316242 (1982-02-01), Colangelo et al.
patent: 4376263 (1983-03-01), Pittroff et al.

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