TOP221GN-TL

AC DC Converters, Offline Switchers Overview

The TOP221GN-TL is an AC-DC converter from the TopSwitch-II series by Power Integrations, designed for offline applications. It integrates a high-voltage MOSFET and PWM controller into an 8-SMD package. The device supports universal input voltages ranging from 85V to 265VAC. It operates at a switching frequency of 100 kHz with a maximum duty cycle of 70%. The component delivers up to 9W of rated power and 6W of output power. It features a breakdown voltage of 700V and a supply current of 1.2 mA. The operating temperature range spans from -40°C to +150°C TJ.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage MOSFET and PWM controller in a single monolithic IC
• Supports flyback, forward, boost, and buck topologies
• Includes built-in automatic restart, current limiting, and thermal shutdown

AC DC Converters, Offline Switchers Applications

• Offline power supplies
• Battery chargers
• General-purpose AC/DC conversion

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific suffix 'TL' corresponds to the tape and reel packaging format as documented. Ensure compliance with RoHS standards and lead-free requirements before integration. Check for moisture sensitivity level (MSL) handling precautions during storage and assembly processes.

AC DC Converters, Offline Switchers Selection Notes

Select this component for low-power offline applications requiring minimal external components. The integrated design reduces bill of materials and simplifies layout compared to discrete solutions. Consider the 8-SMD package for surface mount assembly constraints. Evaluate thermal management needs given the 150°C junction temperature rating and internal heat dissipation characteristics.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TopSwitch-II family, which extends the functionality of the original TopSwitch series. The series provides enhanced features for cost-effective power conversion solutions. It targets applications where size, cost, and reliability are critical factors in power supply design.

AC DC Converters, Offline Switchers Replacement Considerations

TOP242GN-TL is listed as a similar replacement option.