TNY263P

AC DC Converters, Offline Switchers Overview

The TNY263P is an offline switcher from the TinySwitch-II family, integrating a 700 V power MOSFET, oscillator, high voltage switched current source, and thermal shutdown circuitry. It operates at a switching frequency of 132 kHz with a maximum duty cycle of 65%. The device supports flyback topology and provides fault protection including current limiting, open loop detection, over-temperature shutdown, and short circuit handling. It functions within an operating temperature range of -40°C to +150°C (TJ) and accepts input voltages up to 265 VAC.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 700 V power MOSFET and control circuitry into a monolithic device
• Features auto-restart capability for short circuit and open loop fault protection
• Utilizes frequency jittering to reduce electromagnetic interference emissions
• Eliminates the need for bias windings by deriving power directly from the drain pin

AC DC Converters, Offline Switchers Applications

• Cell-phone chargers
• PC standby power supplies
• Low power offline converters

AC DC Converters, Offline Switchers Procurement Notes

Verify component status carefully as this specific part number may be obsolete or restricted. Confirm availability through authorized distributors only. Ensure compliance with RoHS standards and check for moisture sensitivity classification prior to storage and soldering. Validate that the package type matches the intended PCB footprint design requirements.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring low component count and simple ON/OFF control without loop compensation. It serves as a cost-effective replacement for bulky regulated linear supplies. Consider the integrated thermal protection and high breakdown voltage for robust operation in compact offline converter designs.

AC DC Converters, Offline Switchers Part Context

This device belongs to the TinySwitch-II series, which offers enhanced energy efficiency and scalability. The family includes models ranging from TNY263 to TNY268, providing various power levels. The TNY263P specifically utilizes an 8-DIP-B package, distinguishing it from surface mount variants within the same functional family.

AC DC Converters, Offline Switchers Replacement Considerations

Direct substitute: TNY263PN.