TNY276PNAU

AC DC Converters, Offline Switchers Overview

The TNY276PNAU is an AC-DC converter from the TinySwitch-III family, integrating a 700 V power MOSFET and control circuitry in a DIP-8 package. It operates at a switching frequency of 132 kHz with a maximum duty cycle of 65%. The device supports an input voltage range of 85 to 265 VAC and delivers up to 15 W output power at 85-265 VAC or 19 W at 230 VAC. Quiescent supply current is 310 µA, and it functions within a temperature range of -40 °C to +150 °C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 700 V power MOSFET with open-loop on/off control for simplified design without loop compensation.
• Features user-selectable current limit points via the BP/M pin capacitor to optimize efficiency or peak power.
• Includes enhanced thermal shutdown with automatic recovery and improved auto-restart for fault conditions.

AC DC Converters, Offline Switchers Applications

• Universal input offline adapters
• Open-frame power supplies
• Battery chargers

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'AU' against official manufacturer documentation to confirm if it denotes a distinct tape-and-reel variant or packaging specification compared to the standard 'PN' through-hole version. Ensure component authenticity by checking markings against the datasheet. Confirm RoHS compliance status directly with the supplier as regulatory details may vary by production batch.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high flexibility and extended power ranges using simple on/off control. It allows substitution between adjacent TinySwitch-III products without circuit redesign. The integrated self-biasing eliminates the need for auxiliary windings, reducing system cost and component count.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TinySwitch-III series, which combines high-voltage MOSFETs with intelligent control logic. The series is designed for cost-effective, high-performance offline power conversion. The TNY276 variant specifically targets applications needing up to 19 W output with enhanced reliability features like jittered frequency for EMI reduction.

AC DC Converters, Offline Switchers Replacement Considerations

Adjacent parts in the TinySwitch-III series may be interchangeable without circuit redesign. Verify electrical parameters such as current limit thresholds and output power capabilities before substituting.