LNK3209G-TL

AC DC Converters, Offline Switchers Overview

The LNK3209G-TL is a LinkSwitch-TN2Q off-line switcher IC from Power Integrations, designed for AC/DC conversion in non-isolated topologies including Buck, Buck-Boost, and Flyback. It features an integrated 750V power MOSFET and operates with a switching frequency of 66 kHz. The device supports an input voltage range of 85 VAC to 265 VAC and delivers up to 1 A output current (CCM) or 600 mA (MDCM). It functions within a temperature range of -40°C to +150°C, consumes 300 uA of supply current, and has a maximum duty cycle of 73%. The component is housed in an SMD-8C-7 package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 750V power MOSFET with oscillator, on/off control, and high-voltage switched current source for self-biasing.
• Incorporates frequency jittering, fast cycle-by-cycle current limit, hysteretic thermal shutdown, and output overvoltage protection.
• Supports multiple converter topologies including Buck, Buck-Boost, and Flyback configurations.

AC DC Converters, Offline Switchers Applications

• Non-isolated AC/DC power supplies
• Buck converter designs
• Buck-Boost converter applications
• Flyback converter implementations

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'TL' corresponds to the required tape and reel packaging configuration as indicated by distributor data. Confirm that the SMD-8C-7 package variant aligns with your PCB footprint requirements. Ensure compliance with RoHS standards and check moisture sensitivity levels prior to surface mount assembly processes.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring high integration and robust system-level protection in non-isolated topologies. The 750V MOSFET rating suits higher voltage isolation barriers where non-isolated outputs are acceptable. Consider the 66 kHz switching frequency for EMI management and the wide operating temperature range for industrial environments.

AC DC Converters, Offline Switchers Part Context

This part belongs to the LinkSwitch-TN2Q series, which focuses on reducing component count through high integration. It differs from standard LinkSwitch parts by offering enhanced protection features and automotive qualification options within the broader family. The G suffix typically denotes the specific package type and tape/reel delivery method.

AC DC Converters, Offline Switchers Replacement Considerations

The LNK3209GQ-TL is an automotive-qualified version within the same LinkSwitch-TN2Q family. Verify if AEC-Q100 qualification is required for your application before substituting. Both share similar functional characteristics but differ in reliability standards and potential pricing structures.