LNK364PG

AC DC Converters, Offline Switchers Overview

The LNK364PG is an AC-DC switching converter from the LinkSwitch-XT family, designed for offline flyback topology applications. It operates with a fixed switching frequency of 132 kHz and supports a maximum duty cycle of 60%. The device features a high-voltage breakdown rating of 700 V and delivers up to 9 W of rated power at 230 VAC input. It functions within an input voltage range of 85 VAC to 265 VAC and includes internal protection mechanisms such as current limiting, open-loop detection, overtemperature shutdown, and short-circuit protection.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power MOSFET with proprietary control circuitry for simplified design
• Features fully integrated auto-restart capability for robust short circuit and open loop protection
• Utilizes self-biased supply architecture to eliminate auxiliary transformer windings
• Employs frequency jittering techniques to significantly reduce electromagnetic interference

AC DC Converters, Offline Switchers Applications

• Universal input AC-DC converters
• Offline switcher designs
• Flyback topology power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific package variant, as the LNK364 series includes both surface mount and through-hole options. Confirm RoHS compliance status and lead times directly with authorized distributors. Ensure the selected part matches the required thermal management specifications for the target application environment.

AC DC Converters, Offline Switchers Selection Notes

Select this component for cost-sensitive designs requiring low external component counts. The self-biased feature simplifies transformer construction by removing bias winding requirements. Consider the 132 kHz frequency for balancing efficiency and EMI performance in compact form factors.

AC DC Converters, Offline Switchers Part Context

This part belongs to the LinkSwitch-XT family, which offers energy-efficient solutions for low-power offline applications. The PG suffix indicates a PDIP-B (DIP-8) through-hole package, distinguishing it from surface-mount variants like the GN or DN series within the same functional family.

AC DC Converters, Offline Switchers Replacement Considerations

Compatible alternatives within the same family include LNK362PN and LNK364PN, which share similar electrical characteristics but may differ in specific output power ratings or pin configurations.