Inrush current limiter

Details Inrush current limiter Inrush current limiter

1991-07-12

1992-06-16

Stephan, Steven L.

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

323282, 323299, 323908, 361 93, 361111, G05F 1573

Patent

active

051227240

ABSTRACT:
A circuit for limiting the inrush current in DC to DC and DC to AC power supplies. The circuit utilizes a small capacitor for taking a charge which slowly turns on a FET transistor placed in series with a large filter capacitor; the slowly reducing resistance of the transistor provides the desired inrush current limiting.

REFERENCES:
patent: 4678984 (1987-07-01), Henze
patent: 5010293 (1991-04-01), Ellersick

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