Method and apparatus for isolated flyback regulator control and

Details Method and apparatus for isolated flyback regulator control and Method and apparatus for isolated flyback regulator control and

1997-10-01

1998-11-24

Berhane, Adolf

Electric power conversion systems

Current conversion

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

323282, H02M 3335

Patent

active

058416439

ABSTRACT:
Control circuits for a flyback switching voltage regulator that uses magnetic flux sensing are provided. These circuits include a flyback error amplifier circuit, a logic circuit, and a load compensation circuit. The flyback error amplifier circuit allows a flyback voltage pulse from a primary transformer winding to be employed for output voltage regulation. The logic circuit provides appropriate timing and control signals for the flyback error amplifier circuit. The load compensation circuit compensates for parasitic impedance contributions to the flyback voltage pulse without altering the stability of the flyback regulator.

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"Linear Technology LT1103/LT1105 Offline Switching Regulator," Linear Technology Corporation Data Sheet, Milpitas, California, pp. 1-28, published Oct. 1994.
"Linear Technology Initial Release Final Electrical Specifications LT1424/LT1425 Isolated Flyback Switching Regulators," Linear Technology Corporation Data Sheet, Milpitas, California, pp. 1-20, published Feb. 1997.

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