TNY268G-TL

AC DC Converters, Offline Switchers Overview

The TNY268G-TL is an offline switcher from the TinySwitch-II family, designed for high-performance AC/DC conversion. It integrates a 700V power MOSFET with a current-mode controller and oscillator into a single package. The device operates at a switching frequency of 132 kHz and supports input voltages from 85 VAC to 265 VAC. It delivers up to 23 W of output power at 230 VAC or 15 W at 85-265 VAC. Key electrical parameters include a maximum duty cycle of 68% and a quiescent supply current of 380 µA. The component is housed in an SMD-8B surface-mount package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates auto-restart protection for short circuit and open loop faults to reduce external component costs.
• Features programmable line undervoltage detection to prevent power on/off glitches.
• Utilizes frequency jittering to dramatically reduce electromagnetic interference emissions.
• Eliminates audible noise through built-in circuitry compatible with ordinary dip-varnished transformers.

AC DC Converters, Offline Switchers Applications

• Cell-phone chargers
• PC standby power supplies
• Battery chargers
• General-purpose low-power AC/DC adapters

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'TL' indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status as required by regional regulations. Check manufacturer documentation for moisture sensitivity levels and reflow soldering profiles to ensure proper handling during assembly. Validate that the SMD-8B package matches your PCB footprint requirements before finalizing procurement.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high efficiency and minimal external parts count. It serves as a cost-effective replacement for bulky regulated linear supplies. Consider the 132 kHz operating frequency for transformer size optimization. Ensure the application does not exceed the thermal limits defined in the datasheet for the chosen ambient conditions.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TinySwitch-II series, which offers enhanced energy efficiency compared to previous generations. The family provides scalable options for various power levels while maintaining a consistent control architecture. The G suffix denotes the surface-mount variant, distinguishing it from the through-hole DIP-8B package found in other family members like the TNY268PN.

AC DC Converters, Offline Switchers Replacement Considerations

Public confirmed substitute part numbers include TNY277GN-TL. Verify pinout compatibility and electrical parameter alignment before substitution. Review updated datasheets for any changes in thermal characteristics or packaging specifications.