TOP267EG

AC DC Converters, Offline Switchers Overview

The TOP267EG is an off-line switcher from the TopSwitch-JX family, integrating a 725 V power MOSFET and control circuitry. It operates in eSIP-7C through-hole packaging with a maximum duty cycle of 78%. The device supports universal input voltages ranging from 85 VAC to 265 VAC. Switching frequencies are selectable at 66 kHz or 132 kHz. It delivers up to 103 W or 137 W output power depending on configuration. The quiescent supply current is 1.7 mA, and it functions within a temperature range of -40 °C to +150 °C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 725 V power MOSFET with multi-mode PWM control for high efficiency across all loads.
• Includes comprehensive fault protection mechanisms such as overcurrent, overvoltage, and thermal shutdown.
• Features frequency jitter to reduce EMI filter costs and line voltage feedforward to suppress line ripple.

AC DC Converters, Offline Switchers Applications

• LCD TV and monitor power supplies
• Set-top box adapters
• General-purpose AC/DC converters

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'EG' confirms the eSIP-7C package and lead-free status. Confirm the intended switching frequency selection matches the application requirements, as the device supports both 66 kHz and 132 kHz modes. Ensure the design accounts for the 725 V breakdown rating for proper safety isolation.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated high-voltage switching without external drivers. The eSIP-7C package suits through-hole assembly processes. Consider the 132 kHz option for smaller transformer sizes or the 66 kHz mode for optimized light-load efficiency. Verify thermal management capabilities within the specified junction temperature limits.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TopSwitch-JX series, designed for cost-effective, high-performance offline conversion. It combines the functionality of discrete controllers and power switches into a single monolithic chip. The series targets applications demanding reduced component count and simplified design rules while maintaining robust protection features.

AC DC Converters, Offline Switchers Replacement Considerations

TOP267EN (Same family, different package)

AC DC Converters, Offline Switchers FAQ

What is the maximum drain voltage rating?

The integrated power MOSFET has a breakdown voltage rating of 725 V.

Does the device support primary side regulation?

Yes, the TopSwitch-JX family supports primary side regulation architectures to eliminate optocouplers.