Ringing choke type DC/DC converter

Details Ringing choke type DC/DC converter Ringing choke type DC/DC converter

1987-03-12

1988-05-17

Wong, Peter S.

Electric power conversion systems

Current conversion

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

363 97, 331112, H02M 3335

Patent

active

047455357

ABSTRACT:
A ringing choke-type DC/DC converter comprising a transformer having a primary winding, a secondary winding, and a feedback winding, an input DC power source connected through a transistor to the primary winding of the transformer, a DC power output connected through a diode to the secondary winding of the transformer, a base circuit having a first capacitor and connected between the base of the transistor and the feedback winding of the transformer, a branch circuit branching from the base circuit and having a Zener diode connected in series with a second capacitor, and an impedance provided in series between the transistor and the branch circuit for preventing the transistor from intermittently operating, thereby stabilizing the DC power output.

REFERENCES:
patent: 3753075 (1973-08-01), Tomura et al.
patent: 4307353 (1981-12-01), Nilssen
patent: 4316242 (1982-02-01), Colangelo et al.
"Design for Switching Regulator", Morita, Transistor Technique, Sep. 1977, pp. 211-219.

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