LNK363PN

AC DC Converters, Offline Switchers Overview

The LNK363PN is an energy-efficient, low-power off-line switcher IC from the LinkSwitch-XT family by Power Integrations. It integrates a 700 V power MOSFET and control circuitry for flyback converter applications. The device supports universal AC input (85 to 265 VAC) and delivers up to 4.7 W at 85–265 VAC and 7.5 W at 230 VAC. It features proprietary Clampless design, auto-restart protection, and frequency jittering for EMI reduction.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 700 V power MOSFET with proprietary Clampless technology to eliminate external clamp components.
• Features fully integrated auto-restart protection for short circuit and open loop conditions.
• Includes self-biased supply capability to remove the need for auxiliary transformer windings.
• Utilizes frequency jittering to significantly reduce electromagnetic interference.

AC DC Converters, Offline Switchers Applications

• Universal input adapters
• Standby power supplies
• Battery chargers

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'PN' indicates the DIP-8 package variant when sourcing. Confirm RoHS compliance status via the manufacturer's official documentation. Ensure the ordering part number matches the required pin configuration and thermal characteristics for the target PCB layout.

AC DC Converters, Offline Switchers Selection Notes

Select this component for cost-sensitive designs requiring minimal external parts. The Clampless architecture reduces component count compared to traditional solutions. Suitable for applications where high efficiency and simple ON/OFF control are prioritized over complex regulation loops.

AC DC Converters, Offline Switchers Part Context

Part of the LinkSwitch-XT family designed for lowest system cost. Combines high-voltage switching with intelligent control in a single package. Targets low-power offline applications where reliability and simplicity are critical design constraints.

AC DC Converters, Offline Switchers Replacement Considerations

Check LNK363P or LNK363GN-TL for equivalent performance in different packages. Verify pin compatibility before substitution. Consult official cross-reference guides for confirmed alternatives within the same family.