Voltage regulator controller power good indicator circuitry

Details Voltage regulator controller power good indicator circuitry Voltage regulator controller power good indicator circuitry

2007-04-24

2007-04-24

Han, Jessica (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S225000, C323S285000

Reexamination Certificate

active

10932659

ABSTRACT:
A method, circuit, and system for providing a power good signal for a voltage regulator are described. The voltages of the two input pins to an error amplifier within a voltage regulator may be compared to determine if the error amplifier is operating in the linear range. If it is determined the error amp is operating in the linear range, then the voltage regulator is operating properly, and the power good signal may be set to a high level.

REFERENCES:
patent: 6654264 (2003-11-01), Rose
patent: 6661263 (2003-12-01), Rose et al.
patent: 6691239 (2004-02-01), Rose
patent: 6798178 (2004-09-01), Bayadroun
patent: 6850044 (2005-02-01), Hansen et al.

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