Integrated circuit for regulating a voltage generator

Details Integrated circuit for regulating a voltage generator Integrated circuit for regulating a voltage generator

2007-10-09

2007-10-09

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

Reexamination Certificate

active

11218740

ABSTRACT:
An integrated circuit includes a voltage generator with a first controllable resistor and a second controllable resistor, through which a first input terminal that applies a first voltage potential and a second input terminal that applies a second voltage potential can be connected to an output terminal that generates an output voltage. In a manner dependent on the output voltage, a first comparator circuit generates a first control signal to control the first controllable resistor, and a second comparator circuit generates a second control signal to control the second controllable resistor. A control unit evaluates the control signals generated by the comparator circuits and drives the first and second controllable resistors of the voltage generator in such a way that in each case only one of the two controllable resistors has a low-resistance state.

REFERENCES:
patent: 4704561 (1987-11-01), Dietl
patent: 5315166 (1994-05-01), Arimoto
patent: 6339318 (2002-01-01), Tanaka
patent: 6570367 (2003-05-01), Bartenschlager et al.
patent: 6894928 (2005-05-01), Owen
patent: 0321226 (1988-12-01), None
patent: 05152925 (1993-06-01), None
patent: 08221142 (1996-08-01), None

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