LNK6427D-TL

AC DC Converters, Offline Switchers Overview

The LNK6427D-TL is a LinkSwitch-3 family AC/DC converter IC designed for high-performance, low-cost offline power supplies. It integrates a 700 V MOSFET and control circuitry in an SO-8C package. The device supports universal input voltages from 90 VAC to 264 VAC. It delivers up to 7.5 W of output power with a maximum output current of 1 A. The internal switch operates at a frequency of 85 kHz. The component functions as a constant voltage/constant current (CV/CC) switcher. It is rated for operation within a temperature range of -40 °C to +150 °C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 700 V power MOSFET and control logic into a single compact package.
• Provides combined constant voltage and constant current regulation modes.
• Supports wide-range universal AC input voltage compatibility.

AC DC Converters, Offline Switchers Applications

• Universal input AC/DC adapters
• Battery chargers
• General-purpose offline power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'TL' indicates tape and reel packaging rather than tube. Confirm RoHS compliance status through official documentation. Check for End-of-Life notices or production discontinuation announcements from Power Integrations before finalizing design-in decisions.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated high-voltage switching without external gate drivers. Ensure thermal management accommodates the specified operating temperature limits. Verify that the required output power does not exceed the 7.5 W capability under worst-case conditions.

AC DC Converters, Offline Switchers Part Context

This part belongs to the LinkSwitch-3 series by Power Integrations. It represents an evolution in integrated offline switch technology, combining power and control functions. The series targets cost-sensitive applications requiring reliable performance in small form factors.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official manufacturer substitution guides for verified alternatives. Generic cross-references are not confirmed substitutes due to potential differences in electrical characteristics and pinout configurations.