TOP271KG-TL

AC DC Converters, Offline Switchers Overview

The TOP271KG-TL is an integrated off-line switcher from the TopSwitch-JX series by Power Integrations. It incorporates a 725 V power MOSFET, high voltage switched current source, multi-mode PWM control, oscillator, thermal shutdown circuit, and fault protection onto a single monolithic device. Designed for AC/DC conversion, it supports input voltages of 85 to 265 VAC. The component utilizes eDIP-12 through-hole packaging and operates within a temperature range of -40 °C to +150 °C. It features programmable current limiting and optimized line feed-forward.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 725 V rated power MOSFET with multi-mode PWM control for maximum efficiency across all load ranges.
• Includes comprehensive fault protection mechanisms such as output short-circuit, overcurrent, overload, and overvoltage protection.
• Features EcoSmart technology to achieve energy-efficient performance with low no-load consumption.
• Provides fully integrated soft-start functionality to minimize startup stress on the system.

AC DC Converters, Offline Switchers Applications

• Highly efficient AC/DC power supplies
• Offline converter designs requiring integrated switching capabilities
• Power management ICs for consumer electronics adapters

AC DC Converters, Offline Switchers Procurement Notes

Verify that the specific suffix 'TL' corresponds to the required tape and reel packaging configuration when ordering. Confirm that the eDIP-12 package dimensions align with your PCB footprint requirements. Ensure that the 725 V MOSFET rating meets the voltage stress specifications of your target application design. Check for any recent product change notices regarding marking or packing variations.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring a cost-effective solution that combines high-voltage switching and control in a single package. The multi-mode PWM operation makes it suitable for designs prioritizing efficiency at both light and full loads. Consider the eDIP-12 package if through-hole mounting is preferred for mechanical robustness. Evaluate the 132 kHz switching frequency against transformer size constraints and EMI filter requirements.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TopSwitch-JX family, which is designed to provide high performance and flexibility for offline power supply designs. The series integrates advanced control logic with high-voltage power processing. The TOP271KG variant specifically targets applications needing robust protection features and efficient power conversion within a compact form factor.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official manufacturer documentation for verified substitute part numbers within the same series or family. Cross-reference pinout compatibility and electrical ratings before substituting components in existing designs.