Switching regulator with flyback control offset

Details Switching regulator with flyback control offset Switching regulator with flyback control offset

1979-04-09

1981-03-24

Shoop, William M.

Electricity: power supply or regulation systems

Output level responsive

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

363 44, G05F 156

Patent

active

042583080

ABSTRACT:
A switching regulator having a solid state switch which turns on and off as needed to maintain output regulation, a choke which tries to maintain constant current flow, a voltage and current comparator which controls the solid state switch, and a flyback diode in series with an offset voltage which provides a current flow path for the choke when the solid state switch becomes non-conducting. The offset voltage results in a lower voltage across the diode and solid state switch when they are non-conducting. The offset control provides higher efficiencies with the most improvement at ultrasonic frequencies and higher voltages. Radio frequency interference is also significantly reduced.

REFERENCES:
patent: 1964521 (1934-06-01), Kubler
patent: 3566253 (1971-02-01), O'Neill
patent: 3577065 (1971-05-01), Putzrath et al.
patent: 3736495 (1973-05-01), Calkin et al.
patent: 3745444 (1973-07-01), Calkin et al.
patent: 3931566 (1976-01-01), Pask et al.
patent: 3982174 (1976-09-01), Maddox
patent: 4028612 (1977-06-01), Orlando

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