LNK6773V

AC DC Converters, Offline Switchers Overview

The LNK6773V is a LinkSwitch-HP family offline switcher integrating a primary-side regulated (PSR) controller and a high-voltage power MOSFET in an eDIP-12B package. It supports flyback topologies with an input voltage range of 85 VAC to 265 VAC, delivering up to 15 W output at 12 VDC and 2.5 A. The device features a switching frequency of 32 kHz, a maximum duty cycle of 66%, and operates within a temperature range of -40°C to +150°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side regulation to eliminate optocouplers and secondary control circuits.
• Includes a 725 V rated MOSFET for simplified design and robust derating.
• Features EcoSmart technology for multi-mode control across the entire load range.
• Provides comprehensive protection including overvoltage, undervoltage, and thermal shutdown.

AC DC Converters, Offline Switchers Applications

• LCD monitors and televisions
• Consumer electronics adapters
• Home appliances
• Set-top boxes and DVD players

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'V' confirms the through-hole eDIP-12B package configuration. Confirm the manufacturer is Power Integrations. Ensure the component matches the LinkSwitch-HP series specifications for primary-side regulation. Check for RoHS compliance status if required by your manufacturing standards.

AC DC Converters, Offline Switchers Selection Notes

Select this part for designs requiring integrated PSR to reduce bill-of-materials complexity. The 32 kHz frequency allows for smaller magnetic components compared to higher-frequency alternatives. The 725 V breakdown voltage provides adequate margin for standard universal input applications without excessive cost penalties associated with higher voltage ratings.

AC DC Converters, Offline Switchers Part Context

This component belongs to the LinkSwitch-HP series from Power Integrations. This family combines a high-voltage MOSFET with advanced control logic to simplify AC/DC converter designs. The series targets low-to-medium power applications where size, efficiency, and component count are critical constraints.

AC DC Converters, Offline Switchers Replacement Considerations

The LNK6773K-TL is a surface-mount alternative within the same functional family. Verify pinout compatibility and thermal performance differences between the through-hole eDIP-12B and surface-mount packages before substitution.

AC DC Converters, Offline Switchers FAQ

Does the LNK6773V require an optocoupler?

No, it uses primary-side regulation (PSR) to monitor output voltage, eliminating the need for an optocoupler and secondary feedback circuitry.

What is the maximum drain-source voltage rating?

The integrated power MOSFET has a breakdown voltage rating of 725 V.