LNK603PG

AC DC Converters, Offline Switchers Overview

The LNK603PG is a LinkSwitch-II family offline switcher IC designed for high-voltage flyback converters. It integrates a 700V power MOSFET with a controller, offering CV/CC regulation in a compact DIP-C package. The device supports through-hole mounting and operates within a temperature range of -40°C to +150°C. Key electrical specifications include a maximum supply voltage of 700V and a quiescent operating current of 0.28mA. It complies with RoHS standards and EN55022 Class B emissions requirements.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power MOSFET and control circuitry into a single low-pin-count package
• Provides constant voltage and constant current regulation modes for isolated power supplies
• Includes built-in system-level protection features such as cycle-by-cycle current limiting and thermal shutdown

AC DC Converters, Offline Switchers Applications

• Offline flyback power supplies
• Universal input AC-DC adapters
• Battery chargers

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'PG' confirms the DIP-C through-hole package variant when sourcing. Ensure compatibility with existing PCB footprints designed for this package style. Confirm that the application environment remains within the specified -40°C to +150°C operating temperature range to maintain reliability.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring a cost-effective, integrated solution for low-power offline applications. The LinkSwitch-II architecture simplifies design by eliminating external bias windings. Consider the DIP-C package if through-hole assembly is required for mechanical stability or manufacturing processes.

AC DC Converters, Offline Switchers Part Context

This part belongs to the LinkSwitch-II series from Power Integrations, which are known for combining high-voltage MOSFETs with intelligent controllers. The series targets universal AC-DC conversion needs, providing a compact alternative to discrete solutions while maintaining high efficiency and reliability in standalone power supply designs.

AC DC Converters, Offline Switchers Replacement Considerations

Check for LNK603DG if surface-mount (SOIC) packaging is preferred instead of through-hole. Verify pinout compatibility before substituting with other LinkSwitch variants.