Chopped power supply control circuit with automatic start-up

Details Chopped power supply control circuit with automatic start-up Chopped power supply control circuit with automatic start-up

1986-02-07

1987-09-15

Wong, Peter S.

Electric power conversion systems

Current conversion

With starting arrangement

363 97, 323901, H02P 1322

Patent

active

046943862

ABSTRACT:
The invention provides an integrated chopped power supply control circuit intended to receive regulation control signals and to produce square waves for enabling a switch. It comprises automatic start up means producing, in the absence of regulation signals, bursts of start up attempts with a very low recurrence period. Each burst lasts about 10% of this period and is followed by a rest time.

REFERENCES:
patent: 3733540 (1972-02-01), Hawkins
patent: 3879647 (1975-04-01), Hamilton et al.
patent: 4063307 (1977-12-01), Stephens
patent: 4195335 (1980-02-01), Murakami
patent: 4272805 (1981-06-01), Iguchi et al.
patent: 4330816 (1982-05-01), Imazeki et al.
patent: 4400767 (1983-08-01), Fenter
E.D.N. Electrical Design News, vol. 29, No. 18, Sep. 1984, pp. 213-220, Boston, U.S.; G. Gattavari: "Design Custom Power Sources with Switching-Regulator Chip".

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