TNY253G

AC DC Converters, Offline Switchers Overview

The TNY253G is an AC/DC converter from the TinySwitch family, designed for low-power offline applications. It operates with a universal input voltage range of 85 to 265 VAC and delivers up to 2 W of output power. The device utilizes a silicon technology and features a fixed switching frequency of 44 kHz. It provides a regulated output voltage of 5.8 V at a maximum current of 165 mA. The component supports through-hole installation in an 8-DIP package and functions within a temperature range of -40°C to +150°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage MOSFET and controller into a single monolithic chip
• Employs simple ON/OFF control mechanism eliminating loop compensation components
• Includes internal high-voltage current source for startup operation

AC DC Converters, Offline Switchers Applications

• Cellular phone chargers
• Standby power supplies for PC, TV, and VCR
• Utility meters
• Cordless phones

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout compatibility and thermal characteristics. Confirm RoHS compliance status as manufacturing processes may evolve. Ensure the selected package variant matches the intended PCB layout requirements for reliable assembly and performance.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring minimal external parts count and cost-effective power solutions. It is suitable for applications where moderate efficiency and compact size are prioritized over high power density. Consider the fixed frequency when designing EMI filters to ensure regulatory compliance.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TinySwitch family of energy-efficient, low-power off-line switchers. It represents a cost-effective alternative to discrete PWM controllers and resonant convertor circuits. The series is engineered to simplify design while maintaining reliability in consumer and industrial power supply applications.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify electrical parameters and pin configurations before integrating any substitute components to ensure circuit functionality remains intact.