TOP269KG-TL

AC DC Converters, Offline Switchers Overview

The TOP269KG-TL is an AC/DC converter IC from the TopSwitch-JX series by Power Integrations. It integrates a high-voltage power MOSFET with control circuitry for flyback topology applications. Key parameters include a breakdown voltage of 725V, a maximum duty cycle of 78%, and switch frequencies of 66kHz or 132kHz. The device supports output isolation with a withstand voltage of 725V and delivers rated powers of 55W or 81W. It operates within a junction temperature range of -40°C to 150°C and is housed in a 12-ESOP package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power MOSFET with advanced control logic for offline switching applications.
• Includes comprehensive fault protection mechanisms such as current limiting, overtemperature, and short-circuit protection.
• Features frequency jittering capability to reduce electromagnetic interference (EMI) during operation.

AC DC Converters, Offline Switchers Applications

• Universal input AC/DC adapters
• Consumer electronics power supplies
• Battery chargers

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'KG' against the manufacturer's latest datasheet to confirm pinout and thermal pad configuration. Ensure the ordering code matches the required reel quantity and packaging type. Cross-reference the component marking with official identification guides to prevent counterfeit substitution.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated high-voltage switching without external gate drivers. Consider the 12-ESOP package for surface-mount assembly constraints. Evaluate the 55W or 81W power ratings against the specific transformer design requirements to ensure adequate headroom for the target application load.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TopSwitch-JX family, which combines power switching and control functions into a single monolithic IC. The series is designed for cost-effective, high-reliability power supply solutions. The TOP269 variant specifically targets mid-range power applications within the broader ecoSmart product line.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify compatibility of control features and pin assignments before replacing with other TopSwitch variants or competitor ICs.