The LNK6778K is an AC/DC Converter Power IC from the LinkSwitch-HP family manufactured by Power Integrations.
It is an energy-efficient, high-power off-line switcher that features accurate Primary-Side Regulation (PSR), which eliminates the need for an optocoupler and secondary-side control circuitry, significantly simplifying power supply design.
Typical Applications ?
The LNK6778K is suitable for power supplies in applications requiring high efficiency and low standby power, such as:
LCD Monitors and TVs
Adapters and chargers
Appliances (e.g., set-top boxes, DVD players)
Embedded Power Supplies
Industrial power applications.