TOP224YN

AC DC Converters, Offline Switchers Overview

The TOP224YN is a three-terminal off-line PWM switch from the TOPSwitch-II family, integrating a high-voltage power MOSFET with a current-mode controller. It operates at a switching frequency of 100 kHz and supports an input voltage range of 85 V to 265 V AC. The device features a maximum supply voltage of 36 V DC and a breakdown voltage of 700 V. Designed for through-hole mounting in a TO-220-3 package, it provides up to 45 W of output power with a maximum duty cycle of 67%. The component functions within a temperature range of -40 °C to 150 °C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power MOSFET with a current-mode controller in a single monolithic IC
• Includes built-in Auto-restart and current limiting for system protection
• Features latching thermal shutdown for enhanced safety
• Supports flyback, forward, boost, or buck topologies

AC DC Converters, Offline Switchers Applications

• Universal input offline power supplies
• Battery chargers
• General-purpose AC/DC converters

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'YN' against official Power Integrations documentation to confirm the lead-free status and TO-220-3 package configuration. Confirm that the component meets RoHS standards if required by your design specifications. Ensure compatibility with through-hole assembly processes given the package type.

AC DC Converters, Offline Switchers Selection Notes

Select this component for cost-sensitive designs requiring low component count. It is suitable for applications where efficiency above 90% is achievable without complex control loops. Consider the 100 kHz switching frequency for magnetic component sizing. Verify that the 45 W power capability aligns with the target application requirements.

AC DC Converters, Offline Switchers Part Context

The TOP224YN belongs to the TOPSwitch-II family, known for combining simplicity with robust performance. This series is widely used in consumer electronics and industrial equipment due to its integrated nature. The device eliminates the need for external bias windings and discrete driver components, simplifying the overall power supply architecture.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official manufacturer substitution lists for verified alternatives. Generic cross-references may not match the integrated controller characteristics or pinout configurations.