LNK6765K

AC DC Converters, Offline Switchers Overview

The LNK6765K-TL is an AC/DC converter from the LinkSwitch-HP series by Power Integrations. It utilizes a Flyback topology with Si technology in an eSOP-12B SMD/SMT package. The device supports an input voltage range of 85 VAC to 265 VAC, delivering up to 26 W output power at 50 V. Key electrical parameters include a switching frequency of 132 kHz, maximum duty cycle of 66%, and quiescent supply current of 1.1 mA. It operates within a temperature range of -40°C to +125°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side regulation (PSR) controller and high-voltage power MOSFET
• Multi-mode control engine for continuous conduction mode (CCM) operation
• EcoSmart design achieving low no-load power consumption
• Built-in protection features including overvoltage and thermal shutdown

AC DC Converters, Offline Switchers Applications

• LCD monitors and televisions
• Adapters and embedded power supplies
• Home appliances
• Industrial power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix (e.g., TL vs K) against official datasheets to confirm packaging type, as variations exist between reel and tube formats. Confirm RoHS compliance status directly from the manufacturer's documentation. Ensure the selected variant matches the required operating temperature range and pinout configuration for the target PCB layout.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring simplified flyback converters without secondary feedback loops. The integrated PSR reduces external component count. Consider the 132 kHz frequency for transformer size optimization. Verify that the 650V MOSFET rating suits the application's voltage stress requirements compared to higher-rated family members.

AC DC Converters, Offline Switchers Part Context

Part of the LinkSwitch-HP family, designed for high-efficiency offline conversion. This series enables compact power supply designs by integrating control logic and power switching. It targets applications needing strict CV regulation and low standby power, distinguishing it from basic switcher ICs through its advanced multi-mode control capabilities.

AC DC Converters, Offline Switchers Replacement Considerations

LNK6766K is a related model within the same series offering different power handling capabilities. Verify pin compatibility and thermal performance when substituting. Check if the alternative part number meets the specific output power and voltage requirements of the existing design.