Lighting driver and housing having internal electromagnetic shielding layer configured for direct connection to circuit ground

摘要

An apparatus (200, 300, 400, 500) includes a lighting driver circuit (210, 310, 410, 510) and a housing (220, 420, 520) in which the lighting driver circuit is disposed. The lighting driver circuit is configured to receive an input voltage (10) between a pair of input terminals (305) and in response thereto to supply power to one or more light sources (20). The housing has an electrically insulating inner surface (222, 422, 522) and an electrically insulating outer surface (228, 428, 528) and an electrically conductive electromagnetic shield layer (226, 426, 526). The electrically conductive electromagnetic shield layer is disposed between the electrically insulating inner surface and the outer electrically insulating surface. The lighting driver circuit is electrically connected to the electrically conductive electromagnetic shield layer of the housing.