Electronic device for smoothing a charge current peak in RLC out

Details Electronic device for smoothing a charge current peak in RLC out Electronic device for smoothing a charge current peak in RLC out

1999-02-11

2000-05-09

Nguyen, Matthew

Electricity: power supply or regulation systems

External or operator controlled

Using an impedance as the final control device

H02J 100

Patent

active

060608757

ABSTRACT:
An electronic device smoothes a charge current peak in RLC output stages of switching step-up regulators, which stages include an input terminal and an output terminal with an inductance and a parasitic resistance in series therebetween, the latter corresponding to the series parasitic resistance of the inductance, and a capacitor connected between the output terminal and a ground. The device comprises a parallel of a resistor and a controlled switch connected between the inductance and the output terminal of the stage upstream of the capacitor. Advantageously, the switch would only be open during the charge transient of the capacitor.

REFERENCES:
patent: 4229681 (1980-10-01), Plumb
patent: 4734601 (1988-03-01), Lewus
patent: 4736286 (1988-04-01), Gulczynski
patent: 5852385 (1998-12-01), Izumikawa
patent: 5894174 (1999-04-01), Kiiskinen

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