Method and circuit for limiting a pumped voltage

Details Method and circuit for limiting a pumped voltage Method and circuit for limiting a pumped voltage

2005-06-28

2005-06-28

Vu, Bao Q. (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S288000, C323S284000

Reexamination Certificate

active

06911807

ABSTRACT:
A method and circuit control the value of generated voltage derived from a supply voltage as the value of the supply voltage varies, such as during burn-in of an integrated circuit. A voltage generation circuit includes a generator circuit that receives a supply voltage and has a reference node and develops an output voltage from the supply voltage, the output voltage having a value that is a function of a reference voltage applied on the reference node. A coupling circuit receives the supply voltage and operates in response to a voltage control signal to vary an electronic coupling of the supply voltage to the reference node to thereby adjust the value of the reference voltage. A voltage sensing circuit develops the voltage control signal that is applied to the coupling circuit in response to the reference voltage.

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