TNY289PG

TNY289PG - TinySwitch-4 Offline Switching Power Supply IC

The TNY289PG from Power Integrations is a high-performance offline switcher IC from the TinySwitch-4 family, designed for compact and efficient AC/DC power conversion applications up to 18W. This integrated solution combines a 725V power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry in a single 8-DIP through-hole package.

Key Features & Benefits

• Integrated Design: Internal switch eliminates need for external components, reducing BOM cost and PCB footprint
• High Efficiency: Flyback topology with 124-140kHz switching frequency optimizes transformer size and performance
• Comprehensive Protection: Built-in current limiting, over-voltage, over-temperature, short circuit, and open loop protection
• Wide Operating Range: -40°C to 150°C junction temperature for industrial and consumer applications
• RoHS Compliant: Meets environmental standards for global market compliance
• Easy Integration: Standard 8-DIP through-hole package simplifies assembly and prototyping

Typical Applications

• AC/DC adapters and chargers
• Standby power supplies
• Auxiliary power for appliances
• LED lighting drivers
• Smart home and IoT devices
• Industrial control systems

Why Choose TNY289PG?

The TNY289PG offers exceptional value for engineers designing cost-effective, reliable power supplies. Its integrated approach reduces component count, simplifies design, and accelerates time-to-market. With comprehensive fault protection and wide temperature range, it delivers robust performance across demanding applications.

Quality Assurance: As an authorized distributor, we provide 100% authentic Power Integrations components with full traceability, datasheets, and technical support for your design-in needs.

• TNY289PG.pdf