Power supply for 2-line dimmer

Details Power supply for 2-line dimmer Power supply for 2-line dimmer

2006-10-26

2009-02-10

Philogene, Haissa (Department: 2821)

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Periodic-type current and/or voltage regulator in the supply...

C315S291000, C315S224000, C315SDIG002, C323S282000, C323S226000

Reexamination Certificate

active

07489088

ABSTRACT:
A power supply circuit for a dimmer switching device includes a voltage doubler circuit, a filter circuit, a switching power supply, and a linear regulator circuit. In one embodiment, the voltage doubler circuit includes a first stage having a first capacitor and a first diode, and a second stage having a second capacitor and a second diode. The switching power supply may include a feedback circuit, and may be a non-isolated power supply. In an embodiment, the dimmer device is variable between an OFF position and a full ON position, and the circuit is effective to provide power for operation of the switching power supply while the dimmer device is in the full ON position.

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