The Power Integrations LNK564PN is an isolated integrated circuit with an output power of 3W. It has a voltage breakdown of 700V and operates in a flyback topology with a duty cycle of 70% and a switching frequency of 100kHz, making it ideal for power conversion applications. It features fault protection, including current limiting, open loop, over-temperature, and short circuit protection. The DIP-8B packaging and through-hole mounting make it easy to install. It operates in a temperature range of -40°C to 150°C and is still active in the market. The supply and demand status is balanced.