LNK3772D-H003-TL

AC DC Converters, Offline Switchers Overview

The LNK3772D-H003-TL is an AC/DC converter from the LinkSwitch-XT2SR series, manufactured by Power Integrations. It utilizes Silicon technology and is packaged in a Reel format with a factory quantity of 2500 units. The device is designed for universal input ranges of 85 to 265 VAC and supports output power levels up to 10 W.

AC DC Converters, Offline Switchers Feature Summary

• Integrated auto-restart functionality provides protection against short circuits and open loop conditions.
• Self-biased supply architecture eliminates the need for transformer auxiliary windings and associated bias components.
• Frequency jittering capability significantly reduces electromagnetic interference (EMI).
• Accurate hysteretic thermal shutdown ensures automatic recovery to improve field reliability.

AC DC Converters, Offline Switchers Applications

• Universal input AC/DC power supplies
• Low power offline switcher designs
• Adapters and chargers

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific H003 suffix configuration against official datasheets to ensure compatibility with required isolation and creepage standards. Confirm RoHS compliance status and check for any active Product Change Notices or End-of-Life announcements prior to finalizing design-in decisions.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring low system cost through Clampless designs and minimal external component counts. It is suitable for single-sided PCB layouts and offers high bandwidth for fast turn-on without overshoot, making it ideal for compact, energy-efficient power solutions.

AC DC Converters, Offline Switchers Part Context

This part belongs to the LinkSwitch-XT family, which features proprietary IC trimming and transformer construction techniques. The series is optimized for lowest system cost and high efficiency, providing a simple ON/OFF control method that requires no loop compensation.

AC DC Converters, Offline Switchers FAQ

Does the LNK3772D require an external bias winding?

No, the device features a self-biased supply that saves the transformer auxiliary winding and associated bias supply components.

How does the device handle fault conditions?

It incorporates fully integrated auto-restart for short circuit and open loop protection, reducing delivered power during faults.