TNY268PN is a high-efficiency, low-noise, off-line controller integrated circuit manufactured by Power Integrations. It is specifically designed to regulate power supplies with maximum power of up to 15W in an isolated or non-isolated topologies. Features of the TNY268PN include power factor correction, no-load detection and auto-restart, overload and short-circuit protection, programmable soft-start, adjustable current limit, thermal shutdown, and tolerance to high-transient voltage surges.