Current limiting circuit with rapid response feedback loop

Details Current limiting circuit with rapid response feedback loop Current limiting circuit with rapid response feedback loop

2006-02-28

2006-02-28

Nguyen, Patricia (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including protection means

C330S260000, C330S20700P, C323S316000

Reexamination Certificate

active

07005924

ABSTRACT:
The current limiting circuit of the present invention includes a transconductance amplifier having two outputs and forming a conventional feedback loop. A first output connects to an output transistor and a second output is a replica output used to form a rapid response feedforward path to control the gate of the output transistor, for example, an external MOSFET.

REFERENCES:
patent: 4156150 (1979-05-01), Harrigan et al.
patent: 4204266 (1980-05-01), Kammiller et al.
patent: 4253138 (1981-02-01), Shelly et al.
patent: 4484331 (1984-11-01), Miller
patent: 5136459 (1992-08-01), Fararooy
patent: 5638244 (1997-06-01), Mekanik et al.
patent: 5982160 (1999-11-01), Walters et al.
patent: 2003/0142519 (2003-07-01), Walters et al.
patent: 2004/0070382 (2004-04-01), Walters et al.

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