TOP262LN

AC DC Converters, Offline Switchers Overview

The TOP262LN is an integrated off-line switcher from the TopSwitch-HX family, designed for flyback converter applications. It operates within an input voltage range of 85 VAC to 265 VAC and supports output power levels of 177 W at 85-264 VAC and 244 W at 230 VAC. The device utilizes a 7FESIP package and features a switching frequency of 66 kHz or 132 kHz. It functions across a temperature range of -40°C to +150°C with a maximum duty cycle of 78% and a quiescent supply current of 3.1 mA.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage power MOSFET and control circuitry into a single compact package
• Features enhanced EcoSmart technology for low no-load power consumption
• Includes programmable constant voltage/constant current operation modes

AC DC Converters, Offline Switchers Applications

• Universal input AC/DC adapters
• Battery chargers
• General purpose power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'LN' against the manufacturer's official datasheet to confirm pinout compatibility and thermal characteristics. Ensure the ordering part number matches the required package variant, as suffixes may indicate differences in marking or packing configurations rather than functional changes. Cross-reference the component date code and lot traceability requirements with your quality standards before finalizing procurement.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high power density in universal input applications. The integrated nature simplifies layout by reducing external component count. Consider the thermal performance of the eSIP package relative to the expected ambient temperature and load conditions. Verify that the 700V breakdown voltage rating aligns with the peak drain voltage stresses in the target flyback topology.

AC DC Converters, Offline Switchers Part Context

The TOP262LN belongs to the TopSwitch-HX series, which combines a 700V power MOSFET with intelligent control logic. This integration reduces system cost and board space compared to discrete solutions. The series is engineered for high reliability and efficiency in offline power conversion applications, utilizing advanced switching techniques to minimize electromagnetic interference.

AC DC Converters, Offline Switchers Replacement Considerations

Direct replacements within the same family include TOP262EN and TOP262GN, provided the package and electrical specifications match the design requirements. Verify pin-to-pin compatibility and thermal resistance values when substituting.