TNY277GN-TL

AC DC Converters, Offline Switchers Overview

The TNY277GN-TL is an AC-DC offline switcher from the TinySwitch-III family, integrating a 700V power MOSFET, oscillator, and control circuitry. It supports flyback topology with a switching frequency of 132 kHz. The device operates on an input voltage range of 85 VAC to 265 VAC. Maximum output power is rated at 18 W for adapter applications and 23.5 W for peak/open-loop conditions at 230 VAC. It features a maximum duty cycle of 65% and a supply current of 365 µA. The component is housed in an 8-SMD (7 pins)鸥翼 package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates ON/OFF control scheme providing constant efficiency at extremely light loads without loop compensation
• Features self-biasing capability eliminating the need for auxiliary windings or bias components
• Includes accurate hysteresis thermal shutdown protection with automatic recovery functionality
• Utilizes frequency jittering technology to reduce EMI filter costs and system complexity

AC DC Converters, Offline Switchers Applications

• Chargers and adapters for mobile phones and cordless telephones
• Power supplies for PC standby modes and auxiliary systems
• Adapters for PDAs, digital cameras, and MP3 players
• Power sources for DVD/PVR set-top decoders and consumer appliances

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix TL against official Power Integrations documentation to confirm tape-and-reel packaging specifications. Ensure the ordering part number matches the required pin configuration and thermal characteristics. Cross-reference datasheet revisions to validate electrical parameters before finalizing procurement orders.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high flexibility and extended power ranges within low-cost systems. It is suitable for applications demanding minimal external component counts and single-sided PCB layouts. Consider its enhanced safety features and ability to meet global energy regulations such as CEC standards when evaluating alternative solutions.

AC DC Converters, Offline Switchers Part Context

This device belongs to the TinySwitch-III series, which offers enhanced flexibility compared to previous generations. The series integrates high-voltage switches with advanced control logic to simplify design. It targets cost-sensitive applications where reliability and regulatory compliance are critical requirements for mass-produced electronic devices.

AC DC Converters, Offline Switchers Replacement Considerations

Adjacent models within the TinySwitch-III series may serve as substitutes. Substitution typically requires adjusting the external capacitor that sets the current limit parameter. Verify pin compatibility and thermal performance before implementing any cross-model replacements.