Current regulator having a transistor and a measuring resistor

Details Current regulator having a transistor and a measuring resistor Current regulator having a transistor and a measuring resistor

2008-03-11

2008-03-11

Pert, Evan (Department: 2826)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Integrated structure

C327S565000, C327S566000, C323S265000, C323S273000, C257S536000

Reexamination Certificate

active

07342440

ABSTRACT:
The invention relates to a current regulator having the following features:a first semiconductor body (1; 1′) having a first and second terminal contact (11, 12),a transistor (T) having a control terminal and a load path, which is integrated in the semiconductor body (1; 1′) and the load path of which runs between the terminal contacts (11, 12) of the semiconductor body,a current measuring resistor (22), which is at least partly formed by a section of the load path of the transistor,an evaluation and drive circuit (3), which is connected to the current measuring resistor (22) and which is designed to drive the transistor depending on a voltage across the measuring resistor (22).

REFERENCES:
patent: 5764041 (1998-06-01), Pulvirenti et al.
patent: 6400163 (2002-06-01), Melcher et al.
patent: 6496345 (2002-12-01), Smith
patent: 2004/0178778 (2004-09-01), Bansal
patent: 0 994 401 (2000-04-01), None
patent: WO 2004/045038 (2004-05-01), None

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