August 1, 2020
Power Integrations INN2605K - ACDC without optocoupler : weekend die-shotINN2605K is molded in fairly complex surface-mount package. FluxLink (internal magnetic feedback) seems to be made using leadframe & bondwires.
Primary side die:
Secondary side die:
FluxLink seems to be using right side of the leadframe, some bondwires are now missing: