The Power Integrations LNK614DG-TL is a surface mount integrated circuit (IC) that is widely used. It has a power output of 4.1W and is isolated for safety. The IC includes an internal switch, with a voltage breakdown of 700V. It uses the flyback topology, with a duty cycle of 55%. The frequency of switching can go up to 85kHz, and it has fault protection features such as current limiting, open loop, over temperature, and short circuit. The LNK614DG-TL is part of the integrated circuits family and comes in SO-8C packaging. It is a commonly used part with high popularity and is ideal for use in a variety of applications such as power supplies, lighting, and appliances.