LNK563DN-TL

AC DC Converters, Offline Switchers Overview

The LNK563DN-TL is a LinkSwitch-LP AC/DC converter IC from Power Integrations, designed for off-line power supplies. It delivers 2.5 W output at 85-265 VAC input and 2.5 W at 230 VAC. Operating in SOIC-8 surface-mount packaging with seven active terminals, it utilizes pulse width modulation control. The device features an 83 kHz switching frequency, a maximum duty cycle of 70%, and a quiescent supply current of 160 µA. It functions within a temperature range of -40 °C to +150 °C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage switch and controller into a single monolithic package
• Eliminates the need for auxiliary bias winding on the transformer
• Includes fully integrated auto-restart protection against short circuits and open-loop faults

AC DC Converters, Offline Switchers Applications

• Universal input offline AC/DC converters
• Low-power adapter designs
• Standby power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'TL' indicates tape-and-reel packaging configuration. Confirm RoHS compliance status and lead-free characteristics match project requirements. Ensure the SOIC-8 footprint aligns with PCB layout constraints. Cross-reference the manufacturer's latest datasheet for any pinout or electrical specification updates prior to final procurement.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring minimal external components and low standby power consumption. The integrated auto-restart feature simplifies protection circuitry design. Consider the thermal performance limits when designing for high ambient temperatures. Verify that the 2.5 W power rating meets the load requirements without exceeding the device's operational boundaries.

AC DC Converters, Offline Switchers Part Context

This part belongs to the LinkSwitch-LP family, which targets cost-sensitive, low-power applications. It offers superior efficiency compared to linear or RCC solutions by eliminating bias windings. The family emphasizes simplified design through proprietary trimming techniques and frequency jittering to reduce EMI.

AC DC Converters, Offline Switchers FAQ

Does the LNK563DN-TL require an auxiliary winding?

No, the device is self-biased and eliminates the need for an auxiliary transformer winding.

What protection features are included?

It includes fully integrated auto-restart for short circuit and open-loop protection.