TNY255G

AC DC Converters, Offline Switchers Overview

The TNY255G is an offline switcher from the TinySwitch family, designed for energy-efficient low-power applications in the 0 to 10 W range. It integrates a high-voltage power MOSFET with a current-mode controller and oscillator into a single package. The device operates from an AC input of 85 VAC to 265 VAC and delivers up to 6.5 W of output power at 5.8 V. Key electrical parameters include a switching frequency of 44 kHz, a maximum duty cycle of 67%, and a quiescent supply current of 215 uA. It features internal protection against over-temperature and current limit faults.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power MOSFET with a current-mode controller and oscillator
• Provides built-in fault protection mechanisms including over-temperature and current limiting
• Supports flyback topology for isolated AC/DC conversion

AC DC Converters, Offline Switchers Applications

• Universal AC adapters
• Battery chargers
• Standby power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix (e.g., G) to confirm the DIP-8 through-hole package variant. Confirm RoHS compliance status as indicated in official documentation. Check for any product change notices regarding moisture sensitivity or packaging updates before finalizing procurement plans.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring a compact, cost-effective solution for low-power isolated converters. Ensure the thermal design accommodates the specified junction temperature range. Verify that the required output power does not exceed the 6.5 W limit under all operating conditions.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TinySwitch family of integrated offline switchers. These devices are engineered to minimize external component count by combining power switching and control logic. The family targets applications where space constraints and efficiency are critical factors in power supply design.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution guides for compatible alternatives within the same family. Verify pin compatibility and thermal characteristics when considering cross-model replacements.