Power supply circuit

Details Power supply circuit Power supply circuit

1977-01-21

1978-05-02

Shoop, William M.

Electric power conversion systems

Current conversion

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

363 80, H02M 3335

Patent

active

040878503

ABSTRACT:
In a power supply circuit having a circuit for supplying an input DC voltage through a switching element to a winding, a circuit for producing a desired DC voltage by switching the switching element with a pulse and a circuit for detecting the level of the DC output voltage, and changing the duty ratio of the pulse with the detected output so as to stabilize the DC output voltage at a constant value. There is provided a circuit which limits the maximum value of the duty ratio of the pulse.

REFERENCES:
patent: 3514688 (1970-05-01), Martin
patent: 3559030 (1971-01-01), Bussard
patent: 3657631 (1972-04-01), Martens et al.
patent: 3704403 (1972-11-01), Gillett
patent: 3733519 (1973-05-01), Griffey
patent: 3967159 (1976-06-01), Dendy et al.
IBM Technical Disclosure Bulletin, "Pulse-Width Modulated DC-to-DC Converter", vol. 19, No. 5, Oct. 1976, pp. 1530-1533.

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