TOP265KG

AC DC Converters, Offline Switchers Overview

The TOP265KG is an AC/DC converter from the TopSwitch-JX series by Power Integrations. It integrates a high-voltage switcher and power MOSFET in a single package. The device supports flyback topology with switching frequencies of 66 kHz and 132 kHz. It operates within an input voltage range of 85 VAC to 265 VAC. The unit provides a maximum output power of 53 W, delivering up to 7 A at 5 VDC. It features a 12-ESOP surface-mount package. The component includes internal protection against overcurrent, overtemperature, and short circuits.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage startup circuitry and power MOSFET for compact design
• Offers programmable frequency hopping to reduce electromagnetic interference
• Includes comprehensive protection mechanisms for system safety

AC DC Converters, Offline Switchers Applications

• Universal offline AC/DC power supplies
• Battery chargers for consumer electronics
• Adapters for portable devices

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix (e.g., KG) against the manufacturer's official datasheet to confirm pinout and thermal characteristics. Ensure the ordering code matches the required packaging format, such as tape and reel or cut tape, as indicated in the procurement documentation. Confirm RoHS compliance status through the latest environmental declaration provided by Power Integrations.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated high-voltage switching in a small footprint. Consider the 12-ESOP package dimensions for PCB layout constraints. Evaluate the thermal performance requirements based on the maximum operating temperature of 150°C. Verify that the application input voltage falls within the specified 85 VAC to 265 VAC range for optimal operation.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TopSwitch-JX family, which combines a current-mode controller, high-voltage switched current source, and power MOSFET. The series is designed for low-cost, high-reliability offline power supplies. The TOP265KG variant specifically targets applications needing higher output current capabilities compared to lower-numbered counterparts in the same series.

AC DC Converters, Offline Switchers Replacement Considerations

Consult the official Power Integrations replacement guide for direct substitutes. Cross-reference pin compatibility and electrical parameters before substituting. Generic equivalents may not match the integrated control logic or thermal specifications.