Switching control circuit

Details Switching control circuit Switching control circuit

1984-04-12

1986-08-12

Salce, Patrick R.

Electric power conversion systems

Current conversion

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

363 97, 323289, 307289, 307315, H02M 3335

Patent

active

046059989

ABSTRACT:
A switching control circuit has a switching control transistor between a base current path of a switching power transistor and an emitter current limiting resistor. A collector current flows through the switching control transistor in the same direction as that of an emitter current flowing through the emitter current limiting resistor when the switching power transistor is held in an ON state. The direction of a current flowing through the emitter current limiting resistor does not change even if the switching control transistor is turned on so as to turn off the switching power transistor.

REFERENCES:
patent: 4488210 (1984-12-01), Shono
"Flyback Converters: Solid-State Solution to Low-Cost Switching Power Supplies", Boschert, Robert J., Electronics Dec. 21, 1978, pp. 100-104.

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