Circuit for suppression of leading edge spike switched current

Details Circuit for suppression of leading edge spike switched current Circuit for suppression of leading edge spike switched current

1989-02-17

1989-09-12

Wong, Peter S.

Electric power conversion systems

Current conversion

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

363 56, 363 97, H02M 3335

Patent

active

048665886

ABSTRACT:
A switching mode converter with current mode regulation includes a passive network operative to waveshape a ramp signal in order to attenuate the leading edge spike of the sensed switch current. A passive pulse generating network generates a pulse in response to the generated ramp with the proper timing and polarity such that when superimposed on the sensed current waveform effectively cancels the leading edge spike of that waveform.

REFERENCES:
patent: 4559592 (1985-12-01), Muller
patent: 4623960 (1986-11-01), Eng
patent: 4672518 (1987-06-01), Murdock
patent: 4761702 (1988-08-01), Pinard
patent: 4791546 (1988-12-01), Carroll

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