LNK3604P

AC DC Converters, Offline Switchers Overview

The LNK3604P is a LinkSwitch-XT2 AC/DC converter from Power Integrations, designed for surface mount installation. It operates with an input voltage range of 85 VAC to 265 VAC and delivers a maximum output current of 257 mA at 5 V. The device utilizes a flyback topology with a switching frequency of 132 kHz and supports up to 6.1 W of output power. Packaged in a DIP-8C format, it functions within a temperature range of -40°C to +150°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage switch and control circuitry into a single monolithic package
• Features proprietary Clampless design techniques to reduce component count and system cost
• Includes fully integrated auto-restart protection for short circuits and open loop conditions

AC DC Converters, Offline Switchers Applications

• Universal input offline power supplies
• Low power adapter designs
• Standby power applications requiring minimal component count

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix (e.g., P for PDIP) against the target PCB footprint and assembly method. Confirm that the DIP-8C package dimensions align with the mechanical constraints of the final enclosure. Ensure the selected variant meets all necessary regulatory compliance requirements for the intended market.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring universal AC input operation with simplified transformer design. The LinkSwitch-XT2 series offers superior thermal shutdown protection and eliminates the need for bias windings. Consider the trade-off between the higher switching frequency and EMI mitigation when designing the magnetic components.

AC DC Converters, Offline Switchers Part Context

This part belongs to the LinkSwitch-XT2 family, which focuses on energy efficiency and low power consumption. It represents an evolution in offline switcher technology by integrating advanced control algorithms directly with the power MOSFET. The family targets cost-sensitive consumer electronics and industrial equipment needing reliable, compact power solutions.

AC DC Converters, Offline Switchers Replacement Considerations

The LNK3604D-TL serves as a surface-mount alternative within the same family. Verify pin compatibility and thermal performance when transitioning between through-hole and SMD packages.