LNK6773E

AC DC Converters, Offline Switchers Overview

The LNK6773E is a LinkSwitch-HP series offline switcher IC integrating a controller and high-voltage power MOSFET. It supports flyback topology with primary side regulation (PSR). The device operates at a switching frequency of 120kHz to 136kHz. It features a 725V breakdown voltage MOSFET. The package is eSIP-7C with 6 pins. Maximum output power is 35W. Input voltage range is 85VAC to 265VAC. Operating temperature is -40°C to 150°C TJ.

AC DC Converters, Offline Switchers Feature Summary

• Integrates PSR controller and 725V power MOSFET in one package
• Multi-mode control for high efficiency across load ranges
• Comprehensive protection including OVP, OTP, and SCP
• Enhanced overload power compensation over line voltage

AC DC Converters, Offline Switchers Applications

• LCD monitors and televisions
• Adapters and chargers
• Home appliances
• Embedded power supplies such as DVD players and set-top boxes
• Industrial power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'E' corresponds to the eSIP-7C package configuration. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Check for any recent PCN updates regarding shipping flexibility or assembly changes. Ensure the ordering part number matches the exact pinout and thermal pad specifications required by your PCB design.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring up to 35W output power with strict CV regulation. The integrated 725V MOSFET simplifies derating compared to lower voltage options. Primary side regulation eliminates optocouplers, reducing component count. Consider the eSIP-7C vertical package for space-constrained PCB layouts. Verify that the 120kHz to 136kHz frequency range meets EMI requirements without excessive filtering costs.

AC DC Converters, Offline Switchers Part Context

Part of the LinkSwitch-HP family from Power Integrations. This series utilizes continuous conduction mode (CCM) technology to achieve higher power levels than traditional DCM switchers. The LNK6773E specifically targets the mid-range power segment within the 9W to 90W capability of the HP family. It shares core control architecture with other HP devices but differs in power rating and package options.

AC DC Converters, Offline Switchers Replacement Considerations

LNK6773K-TL offers similar functionality in a different package variant. LNK6776E provides comparable performance in the same eSIP-7C package but may differ in specific current limit settings or power ratings. Verify pin compatibility and thermal characteristics before substitution.