TNY290KG

AC DC Converters, Offline Switchers Overview

The TNY290KG is an AC/DC converter from the TinySwitch-4 series by Power Integrations. It delivers 28.5 W at 85-265 VAC input and 36.5 W at 230 VAC input. The device utilizes Silicon technology and features a DIP-8 package for through-hole mounting. It operates with a maximum duty cycle of 67% and has a working supply current of 930 uA. The component supports one output and functions as an off-line converter within the PMIC category.

AC DC Converters, Offline Switchers Feature Summary

• Integrated high-voltage switched current source
• Built-in frequency jittering for EMI reduction
• Programmable hysteresis thermal shutdown
• Internal high-voltage current source for biasing

AC DC Converters, Offline Switchers Applications

• General purpose offline power supplies
• Battery chargers
• Consumer electronics adapters

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'KG' against the manufacturer's official datasheet to confirm the exact package type and tape/reel specifications. Ensure compliance with RoHS directives and moisture sensitivity levels required for your assembly process. Cross-reference the ordering number with authorized distributors to confirm availability and authenticity before finalizing procurement.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring compact, high-density power solutions with integrated protection features. The TinySwitch-4 family offers simplified design through built-in timing and control functions. Consider the thermal performance and package constraints when choosing between surface mount and through-hole variants for your specific PCB layout requirements.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TinySwitch-4 family, designed for low-power offline applications. It integrates a 700V MOSFET with controller, high-voltage startup circuit, and thermal shutdown. The family is known for reducing component count and improving reliability in cost-sensitive consumer and industrial power supply designs.

AC DC Converters, Offline Switchers Replacement Considerations

Consult the official Power Integrations substitution guide for verified alternatives. Generic replacements may not match the integrated control logic or voltage ratings.