TNY265GN

AC DC Converters, Offline Switchers Overview

The TNY265GN is a TinySwitch-II AC/DC converter IC from Power Integrations, designed for off-line power supplies. It operates within an input voltage range of 85 VAC to 265 VAC and delivers up to 7.5 W at 115 VAC or 11 W at 230 VAC. The device features a fixed switching frequency of 132 kHz and a maximum duty cycle of 68%. It includes internal high-voltage current source/sink circuits and a proprietary pulse-skipping mode for low standby power consumption. The operating supply current is 245 uA, and it supports output voltages such as 5.8 V. The component utilizes Silicon technology and functions across a temperature range of -40°C to +150°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage switched-current source and sink circuits with a 700 V power MOSFET
• Features proprietary pulse-skipping mode for reduced standby power consumption
• Includes internal soft-start circuitry to limit inrush current during startup
• Provides comprehensive protection against overvoltage, overcurrent, and overheating

AC DC Converters, Offline Switchers Applications

• Universal input offline AC/DC converters
• Battery chargers for portable devices
• Standby power supplies for consumer electronics
• General-purpose isolated power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'GN' confirms the SMD-8 package variant. Confirm RoHS compliance status through official documentation. Check for Not Recommended for New Design (NRND) status if applicable to long-term supply planning. Ensure moisture sensitivity level requirements are met for surface-mount assembly processes.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring compact size and high efficiency in low-power isolated designs. The integrated nature reduces external component count compared to discrete solutions. Consider the thermal performance limits when designing for the upper end of the operating temperature range. Verify that the required output power does not exceed the specified limits under worst-case conditions.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TinySwitch-II family, which combines control logic, oscillator, and power MOSFET into a single monolithic chip. It represents a generation of highly integrated solutions aimed at simplifying design and reducing cost for mass-produced AC/DC adapters. The series is known for its robustness and ease of implementation in space-constrained environments.

AC DC Converters, Offline Switchers Replacement Considerations

TNY265PN is available as a through-hole alternative within the same electrical specification family.