Method for accurately setting parameters inside integrated...

Details Method for accurately setting parameters inside integrated... Method for accurately setting parameters inside integrated...

2007-11-06

2007-11-06

Sterrett, Jeffrey (Department: 2838)

Electricity: power supply or regulation systems

External or operator controlled

Using an impedance as the final control device

C323S297000, C323S369000

Reexamination Certificate

active

11361108

ABSTRACT:
The control precision of one or more parameters of an integrated circuit (IC), for example the output voltage of a voltage regulator comprised in the IC, may be improved even when using inaccurate components external to the IC. Control of the output voltage, or any parameter, using components external to the IC may include coupling a resistor to the IC and measuring the actual resistance value of the resistor, and based on the measured value, selecting a nominal resistance value from a set of resistance values previously specified by the user. The output voltage, or parameter, may be generated according to the nominal resistance value instead of the actual resistance value, thereby reducing the error that may be incurred due the actual resistance value of the resistor not matching the expected nominal value of the resistor. The difference between each adjacent resistance value in the set of resistance values may be selected to be greater than the greatest measurement error that may be incurred during measuring the actual resistance value.

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