TNY289KG

TNY289KG - TinySwitch-4 Offline Flyback Switcher IC

The TNY289KG from Power Integrations is a high-performance offline flyback switcher IC from the TinySwitch-4 family, designed for isolated AC-DC power conversion applications up to 25W. This integrated switcher combines a 725V power MOSFET with advanced control circuitry, delivering reliable and efficient power conversion in a compact 12-ESOP surface mount package.

Key Features & Benefits

• Integrated 725V Power MOSFET - High breakdown voltage for universal input applications
• 25W Output Power - Ideal for consumer electronics, industrial controls, and auxiliary power supplies
• 124-140kHz Switching Frequency - Optimized for efficiency and compact transformer design
• Comprehensive Protection - Built-in current limiting, over-voltage, over-temperature, short circuit, and open loop protection
• 67% Maximum Duty Cycle - Enables efficient power delivery across load conditions
• -40°C to 150°C Junction Temperature Range - Suitable for demanding industrial and automotive environments
• Surface Mount 12-ESOP Package - Space-saving design with exposed pad for enhanced thermal performance
• RoHS Compliant - Meets environmental standards for global markets

Applications

The TNY289KG is ideal for AC-DC power supplies in consumer electronics, white goods, industrial controls, LED lighting drivers, smart home devices, and auxiliary power for telecommunications equipment. Its integrated protection features and wide operating temperature range make it suitable for both cost-sensitive consumer applications and demanding industrial environments.

Why Choose HQICKEY?

As an authorized distributor, we guarantee 100% authentic Power Integrations components with full manufacturer traceability and documentation. We provide global shipping, technical support, reference designs, and long lifecycle availability to support your design-in programs and mitigate obsolescence risk.

• TNY289KG.pdf