Switching power supply

Details Switching power supply Switching power supply

2005-06-28

2005-06-28

Laxton, Gary L. (Department: 2838)

Electric power conversion systems

Current conversion

With starting arrangement

C323S901000

Reexamination Certificate

active

06912140

ABSTRACT:
In a switching power supply of the present invention, when a voltage output from start-up means is greater than a driving voltage produced by output means, the voltage from the start-up means is provided to control means, whereby the switching power supply can be started up reliably. Furthermore, when the voltage output from the start-up means is less than the driving voltage produced by the output means, the current path is blocked in the start-up means so that no voltage is provided to the control means from the start-up means, whereby it is possible to reduce the power consumption during the steady operation.

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patent: 2003-134806 (2003-05-01), None

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