TOP270KG-TL

AC DC Converters, Offline Switchers Overview

The TOP270KG-TL is an integrated off-line switcher from the TopSwitch-JX family, manufactured 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 output power ratings of 60 W or 91 W depending on operating conditions. The component utilizes silicon technology and is housed in an eSOP-12B surface-mount package. It operates with a switching frequency of 132 kHz and features a maximum duty cycle of 83%. The device functions within a temperature range of -40 °C to +150 °C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 725 V rated power MOSFET with multi-mode PWM control to maximize efficiency across all load ranges.
• Features EcoSmart technology enabling energy-efficient operation with low no-load consumption and standby output power capabilities.
• Includes comprehensive protection mechanisms such as auto-restart during overload faults, output short-circuit protection, and accurate thermal shutdown.

AC DC Converters, Offline Switchers Applications

• Highly efficient AC/DC power supplies
• Offline converter designs requiring compact form factors
• Power adapters utilizing TopSwitch-JX architecture

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'TL' corresponds to the required tape and reel packaging configuration when ordering. Confirm that the 725 V rating aligns with the system's voltage derating requirements. Ensure design compatibility with the eSOP-12B footprint and pinout. Check for moisture sensitivity classification handling instructions prior to assembly. Validate that the 132 kHz switching frequency meets EMI filter specifications for the target application.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring a highly integrated solution that simplifies design through monolithic inclusion of control and power stages. The 725 V MOSFET rating provides robustness against line surges. Consider the TopSwitch-JX series benefits such as reduced transformer size due to 132 kHz operation. Evaluate the need for the specific 60 W or 91 W power capability relative to the thermal management strategy. Compare against other TopSwitch variants if different voltage ratings or package options are preferred.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TopSwitch-JX family, which combines a high-voltage power MOSFET with intelligent control circuitry. The series is designed to reduce system cost and complexity by eliminating external discrete components typically required for gate drive and protection. The TOP270KG-TL specifically targets mid-range power applications where high efficiency and reliability are critical.

AC DC Converters, Offline Switchers Replacement Considerations

TOP271KG-TL offers similar integration with potentially different power scaling characteristics within the same TopSwitch-JX family.