LNK3604G-TL

AC DC Converters, Offline Switchers Overview

The LNK3604G-TL is a LinkSwitch-XT2 series AC/DC converter from Power Integrations, designed for off-line applications. It operates within an input voltage range of 85 VAC to 265 VAC and delivers a fixed 5 V output at 257 mA, providing 6.1 W of power. The device utilizes a flyback topology with a switching frequency of 132 kHz and a maximum duty cycle of 66%. Packaged in SMD-8C, it features a quiescent supply current of 150 uA and functions reliably between -40 C and +150 C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage switched capacitor startup circuitry to eliminate the need for external start-up resistors.
• Incorporates advanced digital control architecture for precise regulation and enhanced system reliability.
• Includes comprehensive protection mechanisms such as cycle-by-cycle current limiting, over-temperature shutdown, and output short-circuit protection.

AC DC Converters, Offline Switchers Applications

• Universal input AC/DC adapters
• Standby power supplies for consumer electronics
• Battery chargers for portable devices

AC DC Converters, Offline Switchers Procurement Notes

Verify that the specific suffix 'TL' corresponds to the intended tape-and-reel packaging configuration required for surface-mount assembly processes. Confirm compliance with RoHS directives and moisture sensitivity levels prior to procurement. Ensure the ordering part number matches the exact package variant to avoid integration issues during manufacturing.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring a compact solution with universal input capability and low standby power consumption. The fixed 5 V output simplifies design complexity for standard logic and peripheral power needs. Consider the thermal performance limits when operating near the maximum junction temperature specifications.

AC DC Converters, Offline Switchers Part Context

This device belongs to the LinkSwitch-XT2 family, which represents an evolution of integrated offline switcher technology. The series focuses on reducing external component count while maintaining high efficiency across varying load conditions. It serves as a cost-effective alternative to discrete controller and MOSFET solutions.

AC DC Converters, Offline Switchers Replacement Considerations

The LNK3604P is a through-hole DIP-8C equivalent offering identical electrical performance. Verify pinout compatibility and thermal dissipation requirements when transitioning between surface-mount and through-hole packages.

AC DC Converters, Offline Switchers FAQ

Does the LNK3604G-TL require an external start-up resistor?

No, the device integrates a high-voltage switched capacitor start-up circuit, eliminating the need for external start-up resistors.

What is the maximum operating junction temperature?

The maximum operating temperature is specified as +150 C.