TNY263PN

AC DC Converters, Offline Switchers Overview

The TNY263PN is a TinySwitch-II integrated offline switcher from Power Integrations, designed for high-performance, low-power AC-DC conversion. It integrates a 700 V power MOSFET with oscillator, current limit, and thermal shutdown circuitry. The device operates at a switching frequency of 132 kHz and supports an input voltage range of 85 to 265 VAC. It delivers up to 4.7 W at 85-265 VAC and 7.5 W at 230 VAC. Key electrical parameters include a maximum duty cycle of 68%, a supply current of 295 µA, and a drain breakdown voltage of 700 V. The component is housed in a DIP-8 package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 700 V power MOSFET with control logic on a single monolithic die
• Eliminates bias winding requirements by deriving power directly from the DRAIN pin
• Incorporates auto-restart protection and line undervoltage sensing capabilities

AC DC Converters, Offline Switchers Applications

• Adapters and chargers for consumer electronics
• Standby power supplies for home appliances
• General-purpose isolated DC power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and tape/reel specifications. Confirm RoHS compliance status as manufacturing processes may evolve. Check for 'Not For New Designs' status if availability is critical for long-term production planning. Ensure supplier documentation matches the exact part number variant.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring minimal external components and high reliability in low-power scenarios. The integrated DRAIN-derived power supply simplifies transformer design by removing auxiliary windings. Consider the 132 kHz switching frequency for balancing efficiency and EMI performance in compact designs.

AC DC Converters, Offline Switchers Part Context

The TNY263PN belongs to the TinySwitch-II family, which combines high-voltage MOSFET technology with advanced control features. This series targets cost-sensitive applications where board space and component count are constrained. It serves as a direct replacement for more complex discrete solutions or older generation switchers in similar power ranges.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure any alternative maintains compatible voltage ratings and thermal characteristics.