Non-linear voltage regulator, particularly for an automotive alt

Details Non-linear voltage regulator, particularly for an automotive alt Non-linear voltage regulator, particularly for an automotive alt

1998-02-06

2000-06-20

Kim, Jung Ho

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular or pulse waveform width control

327175, 327552, H03K 504

Patent

active

06078203&

ABSTRACT:
A voltage regulator of the type comprising a linear filter, a comparator, and a stretcher filter which are connected in cascade with one another between an input terminal and an output terminal of the regulator. The input terminal receives an error signal as converted by the comparator into a square-wave error signal, and the output terminal deliveres a square-wave output control signal which has a stretched duty cycle over the square-wave error signal by a time delay introduced from the stretcher filter. The regulator further comprises a non-linear filtering section for the error signal which is connected between the input terminal of the regulator and the linear filter and has linear gain with the error signal below a first value, gain approximately of unity with the error signal between the first value and a second value, and zero gain with the error signal above the second value.

REFERENCES:
patent: 4219769 (1980-08-01), Mcfarlane et al.
patent: 4580090 (1986-04-01), Bailey et al.
patent: 5019722 (1991-05-01), Hess et al.
patent: 5045715 (1991-09-01), Fitch
patent: 5128973 (1992-07-01), Sasaki et al.
patent: 5225764 (1993-07-01), Falater

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