TNY264P

AC DC Converters, Offline Switchers Overview

The TNY264P is a TinySwitch-II monolithic AC/DC converter integrating a 700 V power MOSFET, oscillator, and current limit circuitry. It operates at a switching frequency of 132 kHz with a maximum duty cycle of 68%. The device supports an input voltage range from 85 V to 265 VAC and delivers up to 9 W output power. Supply current is 225 µA, and the package is DIP-8 through-hole.

AC DC Converters, Offline Switchers Feature Summary

• Fully integrated auto-restart for short circuit and open loop fault protection
• Built-in circuitry eliminates audible noise with standard varnished transformers
• Programmable line under-voltage detect prevents power glitches
• Frequency jittering reduces electromagnetic interference

AC DC Converters, Offline Switchers Applications

• Cell-phone chargers
• PC standby power supplies
• DVD player power adapters
• Low-cost isolated DC-DC converters

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity against Power Integrations official documentation. Confirm the specific suffix 'P' corresponds to the DIP-8 through-hole package variant. Check for Not For New Designs (NRND) status in current distributor catalogs before finalizing procurement plans.

AC DC Converters, Offline Switchers Selection Notes

Select this part for low-component-count offline applications requiring high efficiency. The integrated bias winding elimination simplifies transformer design. Ensure thermal management supports the specified operating temperature range of -40°C to 150°C for reliable long-term performance.

AC DC Converters, Offline Switchers Part Context

Part of the TinySwitch-II family, offering enhanced energy efficiency compared to first-generation models. Features include a 132 kHz switching frequency and tight parameter tolerances. Designed as a cost-effective replacement for bulky regulated linear power supplies in consumer electronics.

AC DC Converters, Offline Switchers Replacement Considerations

TNY264PG

AC DC Converters, Offline Switchers FAQ

Does the TNY264P require a bias winding?

No, start-up and operating power are derived directly from the DRAIN pin, eliminating the need for a bias winding.

How does the device handle output short circuits?

It utilizes fully integrated auto-restart circuitry to safely limit output power during fault conditions like short circuits or open loops.