TOP268KG

AC DC Converters, Offline Switchers Overview

The TOP268KG is a high-voltage power switch from the Power Integrations TOP26x family, designed for offline AC-DC conversion. It integrates a 700V MOSFET with a current-mode controller and incorporates proprietary PeakSwitch-II technology. The device supports universal input voltages ranging from 85VAC to 265VAC. Key electrical parameters include a maximum output power of 49W at 5VDC, an output current capability of 7A, and a breakdown voltage of 725V. It operates with a switching frequency of 66kHz or 132kHz and features a maximum duty cycle of 83%. The component is housed in a 12-pin SOP package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 700V power MOSFET with a high-voltage current-mode controller for compact design
• Incorporates PeakSwitch-II technology for enhanced performance and reliability
• Provides comprehensive protection mechanisms including overvoltage, overcurrent, and thermal shutdown

AC DC Converters, Offline Switchers Applications

• Offline AC-DC power supplies
• Universal input adapters
• Battery chargers

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific ordering suffix to ensure the correct package type and tape-and-reel configuration match your assembly requirements. Confirm that the component meets the necessary regional regulatory standards for your target market. Cross-reference the manufacturer's latest datasheet to validate pinout compatibility and thermal characteristics before finalizing procurement.

AC DC Converters, Offline Switchers Selection Notes

Select the TOP268KG when designing systems requiring up to 49W of output power with a 700V MOSFET rating. This component is suitable for applications demanding universal input voltage support and integrated control functions. Consider its SOP-12 package constraints regarding thermal dissipation and PCB layout space during the initial design phase.

AC DC Converters, Offline Switchers Part Context

The TOP268KG belongs to the TOP26x series of integrated high-voltage power switches. This family combines a 700V MOSFET with a current-mode controller, offering a complete solution for offline power supply designs. The series is engineered to simplify design processes by integrating essential protection features and control logic into a single compact package.

AC DC Converters, Offline Switchers Replacement Considerations

Compatible substitutes within the same family include the TOP264KG and TOP266KG. Verify that alternative part numbers maintain identical pinouts and electrical specifications to ensure direct replacement without circuit modification.