TOP264KG

AC DC Converters, Offline Switchers Overview

The TOP264KG is an integrated off-line switcher from the TopSwitch-JX family, designed for AC-DC conversion. It operates within a universal input voltage range of 85 VAC to 265 VAC and delivers up to 49 W of output power. The device features a fixed 11-pin eSOP-12 package with dimensions of 10.16 mm x 8.89 mm x 2.34 mm. Key electrical parameters include a switching frequency of 66 kHz or 132 kHz, a maximum duty cycle of 78%, and a breakdown voltage of 725 V. It supports a maximum output current of 7 A at 5 VDC and includes internal current limiting.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage power MOSFET with controller for compact design
• Includes proprietary EcoSmart architecture for low standby power consumption
• Features built-in protection mechanisms including overvoltage and thermal shutdown

AC DC Converters, Offline Switchers Applications

• Universal input adapters
• Telecommunications equipment power supplies
• Consumer electronics chargers

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix (e.g., TL) against the required packaging format such as reel or cut tape. Confirm RoHS compliance status and ensure the component matches the exact pinout and thermal characteristics specified in the official datasheet before integration into the final assembly.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high power density and simplified bill of materials due to its integrated nature. Consider the eSOP-12 package constraints for PCB layout and verify that the thermal management strategy accommodates the junction-to-case impedance limits defined in the technical specifications.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TopSwitch-JX family, which combines a high-voltage power MOSFET with a control circuit in a single package. This integration reduces external component count and system cost while maintaining high efficiency across various load conditions typical of offline power supply applications.

AC DC Converters, Offline Switchers Replacement Considerations

Check for direct substitutes within the same TopSwitch-JX series that offer compatible pinouts and power ratings. Ensure any replacement maintains the same package type and electrical performance boundaries.