Soft-start control for a push-pull converter-regulator with a fl

Electric power conversion systems – Current conversion – With starting arrangement

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Details

363 56, 363 97, H02M 3337

Patent

active

045983518

ABSTRACT:
A soft-start control for use with a push-pull converter-regulator having a flux balancing circuit. The push-pull converter is responsive to a pulse width modulated waveform to provide a DC output, the converter having an error amplifier for comparing the DC output to a reference signal to vary the duty cycle of the pulse width modulated waveform. The soft-start circuit provides a varying reference signal to the error amplifier, the reference signal gradually increasing from zero to a predetermined level during the start-up of the converter.

REFERENCES:
patent: 3959714 (1976-05-01), Mihelich
patent: 4180852 (1979-12-01), Koizumi et al.
patent: 4195335 (1980-03-01), Murakami et al.
patent: 4307440 (1981-12-01), Inoue et al.
patent: 4353114 (1982-10-01), Saleh
patent: 4477867 (1984-10-01), Pellegrino

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