Power conservation by reducing quiescent current in low...

Details Power conservation by reducing quiescent current in low... Power conservation by reducing quiescent current in low...

2007-05-08

2007-05-08

Sterrett, Jeffrey (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S270000, C323S279000, C323S303000

Reexamination Certificate

active

11022128

ABSTRACT:
A method and circuit for automatically lowering a quiescent current at a predetermined threshold. A compact and low power current comparator is employed to detect the power consumption conditions, and issues a control signal to lower current consumption within a power management circuit. By dynamically resizing bias device geometries, a minimum quiescent current of an electronic device may be further reduced. Moreover, the control signal may also be used to engage modification of circuit dynamics to improve circuit performance and mitigate a response profile during recovery from a low power operation.

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Rincon-Mora et al,A Low-Voltage, Low Quiescent Current, Low Drop-Out Regulator, 33 IEEE Journal of Solid-State Circuits 1 (Jan. 1998).

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