Voltage regulating circuit for motherboard

Details Voltage regulating circuit for motherboard Voltage regulating circuit for motherboard

2011-03-29

2011-03-29

Rinehart, Mark (Department: 2111)

Electrical computers and digital processing systems: support

Computer power control

Power conservation

C713S300000, C327S544000, C327S581000

Reexamination Certificate

active

07917786

ABSTRACT:
An exemplary voltage regulating circuit for a motherboard includes a selecting switch and a first switch module, the selecting switch comprising a first input terminal arranged to receive a standby power provided by a power supply, a first control terminal arranged to receive a state signal from the motherboard via a first switch module controlled by a power good signal generated by the power supply, and an output terminal, wherein, when the motherboard is turned off, the state signal is at a high level and the first switch module is turned on by the power good signal for turning off the selecting switch to stop outputting the standby power.

REFERENCES:
patent: 5815455 (1998-09-01), Braithwaite et al.
patent: 6775784 (2004-08-01), Park
patent: 7205808 (2007-04-01), You et al.
patent: 2004/0193927 (2004-09-01), Volk
patent: 2005/0283625 (2005-12-01), Rotem et al.
patent: 2006/0265614 (2006-11-01), Nguyen

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