Flyback power supply booster circuit

Details Flyback power supply booster circuit Flyback power supply booster circuit

1980-12-18

1982-04-20

Shoop, William M.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 21, H02H 7122

Patent

active

043262449

ABSTRACT:
A booster circuit is disclosed for enabling a flyback power supply having a power transformer normally operative in a free running mode to have an increased power output at high loads, comprising a clock circuit including a first transistor that is turned on whenever a resistor-capacitor network times out before the end of the flyback interval of the power supply, with the result that the flyback interval is caused to terminate early, and the power transformer to begin recharging. A second transistor acts to disable the operation of this first transistor whenever the output voltage of the power supply is found to not be in regulation.

REFERENCES:
patent: 3302130 (1967-01-01), Minks
patent: 3421069 (1969-01-01), Minks
patent: 3523235 (1970-08-01), Schaefer
patent: 3562668 (1971-02-01), Bartlett et al.
Hnatek, Design of Solid-State Power Supplies, 2nd Ed., 1980, pp. 68-79.

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