TOP244Y

AC DC Converters, Offline Switchers Overview

The TOP244Y is an integrated offline switcher from the TOPSwitch-GX family, combining a high-voltage MOSFET with a PWM controller in a single package. It operates at switching frequencies of 66 kHz or 132 kHz and supports output powers up to 65 W. The device features a 700 V breakdown voltage, a maximum drain current of 2.16 A, and a supply current of 1.6 mA. It includes programmable line voltage detection and hysteresis thermal shutdown.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power MOSFET with a pulse-width modulation controller for compact design
• Features programmable line voltage detection and selectable operating frequencies
• Includes built-in protection mechanisms such as hysteresis thermal shutdown and overvoltage lockout

AC DC Converters, Offline Switchers Applications

• LCD monitors
• Personal computers
• Set-top boxes
• Digital televisions
• Printers

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix (e.g., Y, N) against the datasheet to confirm pinout and package variations. Confirm RoHS compliance status and check for 'Not For New Designs' notices if applicable. Ensure the selected variant matches the required isolation and thermal management specifications for the target application.

AC DC Converters, Offline Switchers Selection Notes

Select this component for flyback converter designs requiring integrated control and power switching. Consider the 66 kHz or 132 kHz frequency options based on EMI requirements and transformer size constraints. Evaluate the TO-220-7C package for through-hole mounting and adequate heat dissipation capabilities relative to the 65 W power rating.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TOPSwitch-GX family, which integrates a high-voltage MOSFET with a PWM controller. The series is designed for low-cost, high-reliability AC-DC converters. The TOP244Y specifically targets applications needing moderate power levels with enhanced feature sets like programmable line sensing.

AC DC Converters, Offline Switchers Replacement Considerations

TOP244YN

AC DC Converters, Offline Switchers FAQ

What are the available switching frequencies?

The device supports operation at 66 kHz or 132 kHz.

Does it include thermal protection?

Yes, it features hysteresis thermal shutdown protection.