LNK6427D

AC DC Converters, Offline Switchers Overview

The LNK6427D-TL is an AC/DC converter from the LinkSwitch-3 series by Power Integrations. It operates with a switching frequency of 85 kHz and supports an input voltage range of 90 VAC to 264 VAC. The device delivers a maximum output power of 7.5 W and features a CV/CC switcher type. It utilizes Silicon technology and is housed in an SO-8C-8 package for SMD/SMT installation. The component functions within a temperature range of -40°C to +150°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage power MOSFET and controller into a single low-pin-count package
• Includes built-in system-level protection mechanisms
• Supports constant voltage and constant current regulation modes

AC DC Converters, Offline Switchers Applications

• Adapters and chargers
• General-purpose isolated offline supplies
• Consumer electronics power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix (e.g., TL) against official datasheets to confirm packaging format and reel specifications. Ensure compatibility with required isolation standards and thermal management requirements for the target application environment before finalizing procurement decisions.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring a compact, cost-effective solution for low-power offline applications. Consider the fixed 85 kHz switching frequency and integrated protection features when evaluating thermal performance and electromagnetic interference constraints relative to alternative switching frequencies.

AC DC Converters, Offline Switchers Part Context

This part belongs to the LinkSwitch-3 family, which integrates primary-side regulation capabilities. It serves as a drop-in replacement for legacy LinkSwitch-II devices in many applications, offering improved efficiency and reduced external component count while maintaining robust fault protection.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution guides for compatible alternatives within the LinkSwitch family. Verify pinout compatibility and electrical parameter alignment before replacing existing designs.