TNY285DG

AC DC Converters, Offline Switchers Overview

The TNY285DG is a TinySwitch-4 family AC/DC converter from Power Integrations, designed for offline flyback applications. It integrates a 725V rated MOSFET and operates within an input voltage range of 85VAC to 265VAC. The device supports a maximum output current of 1.05A and delivers up to 11.5W at universal input or 15W at 230VAC. Key electrical parameters include a switching frequency between 124kHz and 140kHz, a maximum duty cycle of 67%, and a minimum output voltage of 50VDC. It functions reliably across a temperature range of -40°C to 150°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage 725V MOSFET to increase breakdown voltage de-rating margins.
• Features line compensated overload power protection without requiring additional external components.
• Provides enhanced flexibility with lowest system cost design capabilities.

AC DC Converters, Offline Switchers Applications

• PC standby power supplies
• Constant voltage adapters
• General industrial applications

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and tape/reel specifications. Ensure the ordering code matches the required RoHS compliance status and lead time requirements. Cross-reference the manufacturer part number with distributor listings to confirm availability and authenticity before finalizing procurement orders.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated overload protection and high voltage tolerance in compact form factors. The TinySwitch-4 series is suitable for applications needing reduced component count and improved reliability under universal input conditions. Evaluate thermal management needs given the wide operating temperature range and surface mount packaging constraints.

AC DC Converters, Offline Switchers Part Context

This device belongs to the TinySwitch-4 family, which focuses on energy-efficient off-line switching solutions. The series emphasizes system cost reduction through high integration levels. It serves as a successor to previous generations, offering improved performance metrics and robust protection features for modern power supply designs.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution guides for compatible parts within the same family or generation. Verify pinout compatibility and electrical parameter overlaps before replacing existing designs with alternative models from the manufacturer's portfolio.