High efficiency, high voltage, low power controller solution

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I'm looking for a high efficiency power supply controller for high input voltage (universal AC range or even higher - 100VAC - 400+ VAC).  Output voltage will be approximately 12V, output power approximately 10-15W.  Does Power Integrations have any controllers that are capable of delivering a very high efficiency at this power level (we're looking for over 90% efficiency).


Thank you &

Best regards,

Chris C.



Please look into Innoswitch-EP 900 V family of ICs to serve your purpose.