LNK6669V

AC DC Converters, Offline Switchers Overview

The LNK6669V is a LinkSwitch-HP series AC/DC converter IC from Power Integrations, designed for high-power offline applications. It integrates a primary-side regulation controller and a high-voltage power MOSFET in a single package. The device supports flyback topology with an internal 650 V switch. Official specifications indicate output power capabilities of 34 W at 85-265 VAC input and 47 W at 230 VAC input. It operates within a temperature range of -40°C to 150°C TJ.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side regulation controller and high-voltage power MOSFET
• Provides precise constant voltage regulation with +/-5% accuracy
• Features EcoSmart technology for high efficiency across load ranges
• Includes comprehensive protection functions such as overvoltage and thermal shutdown

AC DC Converters, Offline Switchers Applications

• High-power offline power supplies
• Consumer appliance adapters
• Industrial power systems
• Chargers requiring strict CV regulation

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'V' against official datasheets to confirm package type and moisture sensitivity level. Ensure compatibility with required thermal management solutions given the power ratings. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status prior to integration into final assemblies.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high power density and integrated control. The 650 V MOSFET rating suits standard mains voltage applications. Consider the available packaging options like eSOP-12B or eDIP-12B based on thermal and space constraints. Evaluate the need for external secondary rectification versus synchronous alternatives if efficiency targets are critical.

AC DC Converters, Offline Switchers Part Context

The LNK6669V belongs to the LinkSwitch-HP family, which offers high-performance offline switching solutions. This series is characterized by its ability to deliver significant power levels while maintaining tight regulation without optocouplers. It complements lower-power TinySwitch and higher-power Hiper系列 products within the manufacturer's portfolio.

AC DC Converters, Offline Switchers Replacement Considerations

Check for direct substitutes within the LNK666x series that may offer different pinouts or power ratings. Verify functional equivalence with other primary-side regulated flyback controllers from competing manufacturers if supply chain issues arise.