Power switch with inrush current control

Details Power switch with inrush current control Power switch with inrush current control

1994-11-01

1997-12-30

Wong, Peter S.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

323908, H02H 710

Patent

active

057037698

ABSTRACT:
A power control circuit is provided for coupling a load to a power source. It includes a transistor for coupling said load to the power supply through the transistor dependent upon a control voltage applied to a control terminal of the transistor, a charge pump circuit having its output connected to the transistor control terminal to apply a controlled turn on signal to the transistor when the charge pump is activated, wherein the controlled signal gradually increases until the transistor is biased into its fully on state.

REFERENCES:
patent: 5010293 (1991-04-01), Ellersick
patent: 5321313 (1994-06-01), Oberhauser
patent: 5359244 (1994-10-01), Hopkins
patent: 5394076 (1995-02-01), Huykman
patent: 5523724 (1996-06-01), Assar et al.

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