RussellMc wrote:
> Offline LED controller IC with power factor control > 0.9 and TRIAC dimma=
ble.
> reference designs provided.
> Electrolytic free designs.
>
> 7 versions with 6W - 50W range over 85-308 VAC input range.
> Isolation and sensing with 3rd transformer winding rather than optical.
>
>            http://www.powerint.com/en/products/linkswitch-family/linkswit=
ch-ph?AdSource=3DeDMen&elq=3Dd8e8d46faf534d5681c60a44e38bcc3e&elqCampaignId=
=3D97
>
>  =20
>

Warning: Rant.

No line filtering?
I getting fed up of "modern" circuits where they don't bother with=20
proper elimination of RFI generation. Are people not supposed to use the=20
Radio any more?

I took apart a few SM / Electronic ballast  Phone chargers and CFLs=20
recently. A 4uF electrolytic with 2cm leads is not an RFI filter.
LW is particularly badly affected (of course they don't have that in=20
Japan or USA), but LW is only AM source of RTE R1 in Ireland UK and only=20
AM source of BBC R4 in Ireland and  parts of  UK where FM doesn't reach.
The UK and Irish regulators are only interested in maximising revenue=20
from selling spectrum. Even to splitting spectrum that should be a=20
single wholesale block for efficient use.
The CE mark has become a joke. It certainly doesn't mean gadgets, lamps,=20
Enthernet over Mains or chargers meet real EU RFI standards.



--=20
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