LNK563PN

AC DC Converters, Offline Switchers Overview

The LNK563PN is a LinkSwitch-LP AC/DC converter from Power Integrations, designed for offline flyback applications. It integrates a high-voltage power switch and control circuitry in an 8-pin DIP package. The device supports universal input voltages ranging from 85 VAC to 265 VAC. It delivers a maximum output power of 2.1 W at 85-265 VAC and 2.9 W at 230 VAC. Key electrical parameters include a switching frequency of 83 kHz, a maximum duty cycle of 70%, and a quiescent supply current of 220 uA. The component operates within a temperature range of -40°C to +150°C and provides a regulated output voltage of 5.8 V with an output current capability of 148 mA.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power switch and controller into a single monolithic IC
• Provides constant voltage and constant current regulation modes
• Features proprietary Cycle-by-Cycle current limiting for robust protection

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 through-hole DIP-8 package variant when sourcing. Confirm RoHS compliance status via the manufacturer's official documentation before integration. Ensure the ordering quantity aligns with the manufacturer's standard tube packaging requirements. Cross-reference the datasheet revision date to ensure compatibility with your design specifications.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring low standby power consumption and minimal external components. The integrated high-voltage switch eliminates the need for discrete MOSFETs. Verify that the required output power does not exceed the thermal limits defined in the datasheet for the chosen operating conditions.

AC DC Converters, Offline Switchers Part Context

This part belongs to the LinkSwitch-LP family, which targets low-power offline applications. It serves as a cost-effective alternative to traditional PWM controllers by combining power switching and control logic. The DIP-8 package facilitates easy prototyping and manual assembly compared to surface-mount alternatives.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution guides for verified equivalents. Generic replacements may differ in pinout or internal protection features.